How did they know that?

I was on our monthly Social Business lunch n learn today and received a great question.

The question was " I tweeted about silent auctions and immediately was approached by many silent auction vendors on software, thoughts, points of views, etc.  How did that happen?"

Well, smart users of Twitter will have set up a tool like TweetDeck flagging key search words.   Then you can immediately see who is talking about subjects that are exciting to you.  It is so valueable to find those interested in your topic.

Tweetdeck

What are your best tips?