A truck shows an advertisement for U.S. Senator Ed Markey, who faces a primary challenge from U.S. Representative Joe Kennedy III, at a campaign stop in Brookline, Massachusetts, U.S., August 31, 2020. REUTERS/Brian Snyder

A truck shows an advertisement for U.S. Senator Ed Markey, who faces a primary challenge from U.S. Representative Joe Kennedy III, at a campaign stop in Brookline, Massachusetts, U.S., August 31, 2020. REUTERS/Brian Snyder

A person views an online advertisement that ran on Facebook and was paid for by the American Petroleum Institute as part of their Energy For Progress campaign to cast natural gas as climate-friendly, in this illustration picture taken August 6, 2020. Picture taken August 6, 2020. REUTERS/Mike Segar/Illustration

A person views an online advertisement that ran on Facebook and was paid for by the American Petroleum Institute as part of their Energy For Progress campaign to cast natural gas as climate-friendly, in this illustration picture taken August 6, 2020. Picture taken August 6, 2020. REUTERS/Mike Segar/Illustration

People walk past a British government public health campaign advertisement encouraging people to get tested, amid the spread of the coronavirus disease (COVID-19), in London, Britain, August 2, 2020. REUTERS/Toby Melville

A British government public health campaign advertisement encouraging people to get tested is seen, amid the spread of the coronavirus disease (COVID-19), in London, Britain, August 2, 2020. REUTERS/Toby Melville

A man wearing a protective face mask walks past a British government public health campaign advertisement encouraging people to get tested, amid the spread of the coronavirus disease (COVID-19), in London, Britain, August 2, 2020. REUTERS/Toby Melville

A man rides a bike past a banner advertising the campaign of Croatian Prime Minister and the leader of the centre-right Croatian Democratic Union (HDZ) Andrej Plenkovic ahead of parliamentary elections, amid the spread of the coronavirus disease (COVID-19), in Zagreb, Croatia, July 4, 2020. REUTERS/Marko Djurica

A woman walks past a banner advertising the campaign of Croatian Prime Minister and the leader of the centre-right Croatian Democratic Union (HDZ) Andrej Plenkovic ahead of parliamentary elections, amid the spread of the coronavirus disease (COVID-19), in Zagreb, Croatia, July 4, 2020. REUTERS/Marko Djurica

People walk past a banner advertising the campaign of Croatian Prime Minister and the leader of the centre-right Croatian Democratic Union (HDZ) Andrej Plenkovic ahead of parliamentary elections, amid the spread of the coronavirus disease (COVID-19) in Zagrzeb, Croatia, July 3, 2020. REUTERS/Marko Djurica

A man looks at a banner advertising the campaign of Croatian Prime Minister and the leader of the centre-right Croatian Democratic Union (HDZ) Andrej Plenkovic ahead of parliamentary elections, amid the spread of the coronavirus disease (COVID-19) in Zagrzeb, Croatia, July 3, 2020. REUTERS/Marko Djurica

People ride a tram past a banner advertising the campaign of Croatian Prime Minister and the leader of the centre-right Croatian Democratic Union (HDZ) Andrej Plenkovic ahead of parliamentary elections, amid the spread of the coronavirus disease (COVID-19) in Zagrzeb, Croatia, July 3, 2020. REUTERS/Marko Djurica

A man wearing a protective mask rides a tram past a banner advertising the campaign of Croatian Prime Minister and the leader of the centre-right Croatian Democratic Union (HDZ) Andrej Plenkovic ahead of parliamentary elections, amid the spread of the coronavirus disease (COVID-19) in Zagrzeb, Croatia, July 3, 2020. REUTERS/Marko Djurica

People ride a tram past a banner advertising the campaign of Croatian Prime Minister and the leader of the centre-right Croatian Democratic Union (HDZ) Andrej Plenkovic ahead of parliamentary elections, amid the spread of the coronavirus disease (COVID-19) in Zagrzeb, Croatia, July 3, 2020. REUTERS/Marko Djurica

People ride a tram past a banner advertising the campaign of Croatian Prime Minister and the leader of the centre-right Croatian Democratic Union (HDZ) Andrej Plenkovic ahead of parliamentary elections, amid the spread of the coronavirus disease (COVID-19) in Zagrzeb, Croatia, July 3, 2020. REUTERS/Marko Djurica

People ride a tram past a banner advertising the campaign of Croatian Prime Minister and the leader of the centre-right Croatian Democratic Union (HDZ) Andrej Plenkovic ahead of parliamentary elections, amid the spread of the coronavirus disease (COVID-19) in Zagrzeb, Croatia, July 3, 2020. REUTERS/Marko Djurica

Soccer Football - Premier League - Crystal Palace v Burnley - Selhurst Park, London, Britain - June 29, 2020 An advertisement board is seen showing a 'Black Lives Matter' campaign message, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19) Catherine Ivill/Pool via REUTERS EDITORIAL USE ONLY. No use with unauthorized audio, video, data, fixture lists, club/league logos or "live" services. Online in-match use limited to 75 images, no video emulation. No use in betting, games or single club/league/player publications. Please contact your account representative for further details.

A woman wearing a face protective mask is seen at a bus stop with a public health campaign advertisement asking for passengers to wear masks on public transport, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 17, 2020. REUTERS/Toby Melville

A woman wearing a protective face mask is seen at a bus stop with a public health campaign advertisement asking for passengers to wear masks on public transport, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 17, 2020. REUTERS/Toby Melville

A public health campaign advertisement is seen on the BT Tower in London, as the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 17, 2020. REUTERS/Toby Melville

A public health campaign advertisement is seen on the BT Tower in London, as the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 17, 2020. REUTERS/Toby Melville

A public health campaign advertisement is seen on a newspaper in London, as the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 17, 2020. REUTERS/Toby Melville

A man in a protective face mask walks past a British government public health campaign advertisement at Victoria underground station, as the number of coronavirus (COVID-19) cases grow around the world, London, Britain, March 15, 2020. REUTERS/Toby Melville

A visitor walks past a public information campaign advertisement during the annual conference of the British Chambers of Commerce in London, Britain, March 5, 2020. REUTERS/Toby Melville

Delegates walk past a public information campaign advertisement during the annual conference of the British Chambers of Commerce in London, Britain, March 5, 2020. REUTERS/Toby Melville

A visitor walks past a public information campaign advertisement during the annual conference of the British Chambers of Commerce in London, Britain, March 5, 2020. REUTERS/Toby Melville

A digital hoarding in southwest London displays an advert for Shell?s "drive carbon neutral" campaign, which is being investigated by Britain?s Advertising Standards Authority (ASA), in London, Britain March 1, 2020. Picture taken March 1, 2020. REUTERS/Matthew Green

Soccer Football - Premier League - Burnley v Manchester City - Turf Moor, Burnley, Britain - December 3, 2019 General view of advertising boards in support of the Stonewall Rainbow Laces campaign during the match Action Images via Reuters/Carl Recine EDITORIAL USE ONLY. No use with unauthorized audio, video, data, fixture lists, club/league logos or "live" services. Online in-match use limited to 75 images, no video emulation. No use in betting, games or single club/league/player publications. Please contact your account representative for further details.

A truck with an advertisement for U.S. President Donald Trump sits outside a campaign town hall meeting with Democratic 2020 U.S. presidential candidate and U.S. Senator Elizabeth Warren (D-MA) in Newport, New Hampshire, U.S., October 24, 2019. REUTERS/Brian Snyder

A poster with information for British people on how to live and work in France after Brexit, which is a part of the advertising campaign 'Get ready for Brexit', is displayed in Paris, France, October 17, 2019. REUTERS/Charles Platiau

A poster with information for British people on how to live and work in France after Brexit, which is a part of the advertising campaign 'Get ready for Brexit', is displayed in Paris, France, October 17, 2019. REUTERS/Charles Platiau

An electronic billboard displaying a British government Brexit information awareness campaign advertisement is seen in London, Britain, September 11, 2019. REUTERS/Toby Melville

An electronic billboard displaying a British government Brexit information awareness campaign advertisement is seen in London, Britain, September 11, 2019. REUTERS/Toby Melville

An electronic billboard displaying a British government Brexit information awareness campaign advertisement is seen near construction cranes in London, Britain, September 11, 2019. REUTERS/Toby Melville.

A cyclist rides past an electronic billboard displaying a British government Brexit information awareness campaign advertisement in London, Britain, September 11, 2019. REUTERS/Toby Melville.

A bus passes an electronic billboard displaying a British government Brexit information awareness campaign advertisement in London, Britain, September 11, 2019. REUTERS/Toby Melville.

A man passes an electronic billboard displaying a British government Brexit information awareness campaign advertisement in London, Britain, September 11, 2019. REUTERS/Toby Melville.

A bus passes an electronic billboard displaying a British government Brexit information awareness campaign advertisement in London, Britain, September 11, 2019. REUTERS/Toby Melville.

A bus passes an electronic billboard displaying a British government Brexit information awareness campaign advertisement in London, Britain, September 11, 2019. REUTERS/Toby Melville.

A bus passes an electronic billboard displaying a British government Brexit information awareness campaign advertisement in London, Britain, September 11, 2019. REUTERS/Toby Melville.

A bus passes an electronic billboard displaying a British government Brexit information awareness campaign advertisement in London, Britain, September 11, 2019. REUTERS/Toby Melville.

An electronic billboard displays a British government Brexit information awareness campaign advertisement in west London, Britain, September 11, 2019. REUTERS/Toby Melville

An electronic billboard displays a British government Brexit information awareness campaign advertisement in west London, Britain, September 11, 2019. REUTERS/Toby Melville

An electronic billboard displays a British government Brexit information awareness campaign advertisement in west London, Britain, September 11, 2019. REUTERS/Toby Melville

Advertising campaign to boycott Japanese products are hang where Japanese goods used to be on display, at a market in Seoul, South Korea, July 20, 2019. The banner reads "We don't sell Japanese products". REUTERS/Heo Ran

A campaign advertising of Rakuten Pay, a QR code mobile payment system operated by Rakuten, is displayed at a coffee shop in Tokyo, Japan May 30, 2019. Picture taken May 30, 2019. REUTERS/Issei Kato

A campaign advertising of Rakuten Pay, a QR code mobile payment system operated by Rakuten, is displayed at a coffee shop in Tokyo, Japan May 30, 2019. Picture taken May 30, 2019. REUTERS/Issei Kato

An advertisement is put on a wall ahead of Britain's Secretary of State for International Development Rory Stewart's launch of his campaign for the Conservative Party leadership, in London, Britain June 11, 2019. REUTERS/Henry Nicholls

A screen shows an image of Kazakh President and candidate Kassym-Jomart Tokayev, which is part of his campaign ahead of the upcoming presidential election, in Almaty, Kazakhstan June 3, 2019. REUTERS/Pavel Mikheyev

A screen shows an image of Kazakh President and candidate Kassym-Jomart Tokayev, which is part of his campaign ahead of the upcoming presidential election, in Almaty, Kazakhstan June 3, 2019. REUTERS/Pavel Mikheyev

Brazil's Minister of the Secretariat of Government Santos Cruz is seen before a ceremony for the presentation of the 2nd phase of the advertising campaign of the pension reform bill at the Planalto Palace in Brasilia, Brazil May 20, 2019. REUTERS/Adriano Machado

Brazil's President Jair Bolsonaro and Economy Minister Paulo Guedes attend a ceremony for the presentation of the 2nd phase of the advertising campaign of the pension reform bill at the Planalto Palace in Brasilia, Brazil May 20, 2019. REUTERS/Adriano Machado

Brazil's President Jair Bolsonaro gestures during a ceremony for the presentation of the 2nd phase of the advertising campaign of the pension reform bill at the Planalto Palace in Brasilia, Brazil May 20, 2019. REUTERS/Adriano Machado

Brazil's President Jair Bolsonaro attends a ceremony for the presentation of the 2nd phase of the advertising campaign of the pension reform bill at the Planalto Palace in Brasilia, Brazil May 20, 2019. REUTERS/Adriano Machado

Brazil's Justice Minister Sergio Moro is seen before ceremony for the presentation of the 2nd phase of the advertising campaign of the pension reform bill at the Planalto Palace in Brasilia, Brazil May 20, 2019. REUTERS/Adriano Machado

Brazil's President Jair Bolsonaro attends a ceremony for the presentation of the 2nd phase of the advertising campaign of the pension reform bill at the Planalto Palace in Brasilia, Brazil May 20, 2019. REUTERS/Adriano Machado

Brazil's President Jair Bolsonaro attends a ceremony for the presentation of the 2nd phase of the advertising campaign of the pension reform bill at the Planalto Palace in Brasilia, Brazil May 20, 2019. REUTERS/Adriano Machado

Brazil's President Jair Bolsonaro listens to Chief of Staff Minister Onyx Lorenzoni during a ceremony to presentation of the 2nd phase of the advertising campaign of the pension reform bill at the Planalto Palace in Brasilia, Brazil May 20, 2019. REUTERS/Adriano Machado

Brazil's Secretary of Social Security Rogerio Marinho is seen before ceremony to presentation of the 2nd phase of the advertising campaign of the pension reform bill at the Planalto Palace in Brasilia, Brazil May 20, 2019. REUTERS/Adriano Machado

U.S. Rep. Alexandria Ocasio-Cortez (D-NY) presides over the U.S. House of Representatives inside the House Chamber in this still image taken from video on Capitol Hill in Washington, U.S., May 10, 2019. U.S. House TV/Handout via Reuters ATTENTION EDITORS - EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS