Elon Musk is now officially in charge of Twitter. One of his first acts was firing the CEO and other top executives. This comes after months of back-and-forth between Musk and the company about whether he really would buy it. 

Concern is growing that misinformation could spread now, though Musk promised advertisers it wouldn't become a "free-for-all hellscape." So what happens now?  Adam Rizierri is a digital marketing expert with Agency Partner Interactive.