We spend a lot of time talking about Facebook (META -10.56%), 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 -1.97%) 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.