Check it out: 'Tweetstakes,' 'Tweetaways' Pay Off for Chickdowntown.com

Reed says this particular program has been getting thousands of responses. "Sometimes the responses are so great," she says, "we actually give away two jackets instead of one. And, when people win, they're very excited, and they tweet about it."

Giving to Get
This isn't the only "tweetstakes" that Reed has run. Occasionally, she posts tweets that list items and gift certificates followers can win by tweeting back why they like the items. Followers also receive friendship bracelets and are entered to win a $500 gift certificate to the site that's given out every few days.