What about some sort of rating of ads by an external, independent body (something like FactCheck.org). When you go to a movie, they make an announcement: "the

What about some sort of rating of ads by an external, independent body (something like FactCheck.org). When you go to a movie, they make an announcement: "the following movie has been rated {(P)G(-13), R} by the MPAA". Why not do the same with FactCheck: "The following ad has been rated..." You could make this entirely voluntary, but add in incentives to do so, like discounted air-time rates.