Flock

Flocknet lets you search your Twitter followers by job, workplace, location, and more. Founders use it to hire engineers from their following, investors use it to source deals, and journalists use it to find specialists in their network.

Flock is a tool for Twitter power-users to search and stay updated on interesting people in their network.

Use it to query for investors, recruiting leads, or folks that like the same stuff. Flock also updates you when people change jobs in their profiles.