On Twitter, the hashtag #FF stands for “Follow Friday.” The idea started as a way to introduce your network on Twitter to a user with whom they might also want to connect. By viewing tweets tagged with this popular hashtag, users can identify people on Twitter who are receiving these endorsements from their peers.

In this episode of “30 Second Social,” Scott Kleinberg explains one way to use the hashtag in your own tweets.

Twitter: how to use #FF on Twitter