Each day, Facebook handles 1.5 billion searches against the 2 trillion posts in its index. Facebook is still a ways off from Google’s 3.5 billion daily searches , but it’s an impressive figure nonetheless and puts Facebook right up there as far as search giants go. Of course, Facebook is only indexing content within its own ecosystem, while Google, Bing, Yahoo and the like make much of the Web’s content available to searchers. Facebook’s launch of Facebook Search FYI aims to change that, bringing more of what’s going on in the world to searchers within their social network. Here are things you need to know about the new Facebook search, Search FYI. 1. Search Suggestions Are Now Personalized and More Timely In their announcement, Facebook promises, “As you type, we’ll highlight things that are happening right now so you can follow popular stories as they unfold.” No word yet on how Facebook autopopulates results as you type, but you can bet there’s an ...