Welcome to this morning's edition of "First To Know," a series in which we keep you updated on what's happening in the digital world.
Twitter is testing another profile redesign just days after the rollout of its current redesign.
Social media marketing company Lithium Technologies could possibly acquire Klout, a company that measures a user’s social media influence.
New Firefox users will be greeted with sponsored content, according to a recent announcement by Mozilla, the creator of Firefox.
Check out the video above for more on these stories.