Facebook maintains that political advertising requires a higher bar for free speech.

Facebook in particular has been criticised for its policy on political advertising.

We've made the decision to stop all political advertising on Twitter globally.

Deceptive political advertising has become another hot-button problem for the company.

Dr Kogan sold the information to Cambridge Analytica to create targeted political advertising.

But when this technology is used in political advertising, it quickly becomes problematic.

A few reasons…🧵 Twitter had previously implemented rules and restrictions for political advertising.

Twitter banned all political advertising in November 2019, more than six months ago.

There's a real argument for some truth in political advertising laws.

Properly regulated, political advertising could be an asset to our democracy.

During the 2012 fourth quarter, Gannett benefited from a windfall in political advertising.

Facebook has continuously revamped its policies around political advertising, which differ by country.

In November, it tightened its policy prohibiting microtargeting of political advertising.

But there was widespread support for allowing political advertising to continue on election day.

Chief Executive Jack Dorsey said last month that the platform would ban political advertising.

The sleeper effect is indeed well-documented, and has long been exploited in political advertising.