Run a random giveaway among users who retweet one or more of your tweets.
Run a random giveaway among all your Twitter followers.
Reward users who reply to your tweets with a random prize draw.
Mention + Hashtag
Retrieve all tweets from users who've added your brand mention and campaign hashtag to their tweet and run a random draw among them.
Encourage interactions and grow your audience and brand awareness with a Twitter Giveaway. Pick a winner from among users who retweet or reply to your posts, or from among your followers. You can also pick a random winner from among the users that mention your brand and publish content with your campaign hashtag. Do it all in an automatic way, and obtain a certificate validating the transparency.