Google really does have some interesting services, have to admit didn't know about some of these...
http://lifehacker.com/5923588/the-best-google-features-youre-probably-not-usingThe Best Google Features You’re Probably Not Using
Google is a vast machine with all types of apps, programs, and tools. A lot of these—like Gmail and Google Docs—are clearly useful and beloved by many. But hidden inside Google's network are some awesome, lesser-known gems that can make your life easier.
Over the last couple of years Google has experimented with a lot of products. Hidden beneath popular apps like Gmail, Google Search, and Chrome are a lot of cool features that most people don't mess around with. Here are some of our favorite unsung Google features, from Google Drive apps to Google+ to everything in between.