Last week, Elon Musk said he was contemplating starting his own social media platform.This morning, news broke that he has purchased a 9.2% stake in Twitter, making him the single largest shareholder of the social media giant.The decision could transform the Internet as we know it, and provide rocket fuel for Dogecoin's moon mission.Let's take a look at why social media needs an overhaul, and how Doge could factor in.