IFTTT

(IF This Then That) A Web service for iOS and Android devices from IFTTT, Inc. that performs a user-configured action when an event takes place. "Recipes" are set up for myriad tasks such as emailing mom if you missed her call, turning off Wi-Fi when leaving the office, getting an email for a new Craigslist post or being notified when a product price drops. "Channels" are the sources for events such as email, SMS, Facebook and X/Twitter.