Facebook says EU advertisers will need authorization to run ads for EU's May elections and ads related to politics and issues must have a "Paid for by" label (Richard Allan/Facebook)

Richard Allan / Facebook:
Facebook says EU advertisers will need authorization to run ads for EU's May elections and ads related to politics and issues must have a “Paid for by” label  —  In the run up to the European Parliamentary Elections in May, we are making big changes to the way ads with political content work on Facebook.