Power up Twitter with warm intros
Twitter Intro is a Chrome extension where you can look at a person's profile and figure out which of your Twitter friends can intro you to them.
The extension works by retrieving all of the people that the profile you're looking at follows who also follow you.
Example use cases include:
Getting an intro to an investor
Getting an intro to a person to do a user interview with
Getting an intro to a potential employee
Getting an intro to a celebrity