It's partly to help raise awareness of this kind of advertising, and start maybe looking at its impact on the elections themselves. Also, if you are able to cap

It's partly to help raise awareness of this kind of advertising, and start maybe looking at its impact on the elections themselves. Also, if you are able to capture data from multiple feeds then you can also start to spot trends and maybe electioneering sheenanigans. From the Guardian article [0]: "It aims to show who campaigns are targeting, how much the parties are spending and will shed light on whether targeted adverts are crossing the boundary into 'fake news'." [0] https://www.theguardian.com/technology/2017/may/03/free-software-reveal-facebook-election-posts-targeted-chrome-extension https://www.theguardian.com/technology/2017/may/03/free-soft...