Did Facebook ads win the presidency for Donald Trump? Did they cause Brexit? Are they changing the way democracy works?

Install Who Targets Me to find out who’s using Facebook ads to win your vote – and how they’re doing it.

Install for ChromeInstall for FirefoxHow does it work? »

Installing Who Targets Me creates data about political Facebook ads that increases transparency in elections, all over the world.

Just add the extension to your browser and continue using Facebook as normal.

In a few days, the software will give you information about the ads you’ve seen and why you saw them.

For ChromeFor FirefoxWhy does it matter? »

Campaigns use big data and microtargeting to decide who should see their messages.

The billions of ads they buy on Facebook play a vital role in every modern election campaign.

Yet there is little data and research in this area because campaigns and Facebook won’t share it with researchers and campaigners.

Who Targets Me has changed that.

Join over 20,000 volunteers in over 50 countries who have seen 4837 ads so far today.

For ChromeFor FirefoxAbout our research »

Who Targets Me extension illustration

No-one really knows the impact of social media advertising on elections.

Did it win the 2016 election for Trump? Did it cause Brexit? What effect does it have?

We work with research partners such as Oxford University and LSE to discover the importance of political social media ads.

For ChromeFor FirefoxWhat needs to change? »

Election law is decades out of date. Democracy is under attack.

Anyone with a credit card and a Facebook page can buy ads to try and influence your vote.

Add Who Targets Me to your browser and join the fight for modern election law.

Install for  For ChromeFor Firefox