A Google feature that doesn't ordinarily get a lot of attention is Google Alerts, which is a service that sends you links to things that match certain search terms on a periodic basis.  Some people use it for  vanity searching because they have a personal brand to maintain, some people use it to keep on top of a rare thing they're interested in (anyone remember the show Probe?), some people use it for bargain hunting, some people use it for intel collection... however, this is all predicated on Google finding out what you're interested in, certainly interested enough to have …

You're getting old if you consider sleeping until 0900 'sleeping in'.