#Winning on Twitter: the Top 10 Promoted Tweets
Advertisers can buy a promoted tweet but it won’t do much unless it resonates with consumers and is passed around. Twitter charges for promoted tweets on what it calls “engagement” or user action — a retweet, response, click on a link or when a user marks a post as a “favorite.” Being that subsequent retweets are “earned” by the marketer, therefore free, they produce a ton of exposure for no cost.
#Winning big on Twitter can be a boon for marketers. Here’s a list of the top ten tweets from the last year and why they worked.

