Facebook will send you an email for just about anything unless you change it. This can get very annoying if you don't want them or you get a lot of email daily. Watch this video demonstration and you will know how to change them.
Some people want everyone to know where they are at all times. Others are creeped out by this. If you are the latter group this video is for you. It will show you how to disable all this locatiion Facebook places stuff.