IFTTT

IFTTT is tool that allows you to assign automatic actions for web apps on the Web. The actions takes the form of If (something happens) Then (do something). For example, a possible action you can assign on IFTTT is if you check in on FourSquare, then send a tweet to your Twitter account. IFTTT allows for small conveniences like this which can save you a lot of repetitive keystrokes, mouse clicks and time.

To use IFTTT, you have to sign up for an account on https://ifttt.com/. This tool is definitely worth signing up for and spending your time using.