We spend a lot of time talking about Facebook (META 0.10%), LinkedIn (LNKD.DL), and Twitter when talking about social media here. But there's another platform that's even richer -- and certainly more customizable -- which is growing at a pace reminiscent of Twitter around the time Google (GOOGL 0.11%) bid $10 billion for the company, and it might just make an excellent tuck-in acquisition for the search king. Find out why in the video below.