>> When it comes to those who wants to run political ads on Facebook, the company verifies residency of advertisers either by physical verification (by sending

>> When it comes to those who wants to run political ads on Facebook, the company verifies residency of advertisers either by physical verification (by sending someone to the address provided) or by sending a code in the post. That sentence in the article is a non-sequitur, and only goes to show that FB verify advertisers. The rest of the article makes it clear that the FB representatives were there over a post. Not an advertisement.