Within a week, the Kreznik account had accumulated more than 2,000 followers, about half of whom seemed to be legitimate business owners, consultants, and bloggers who fit our keywords. Some of the new followers even retweeted Kreznik's posts and included him in their Twitter lists. How did the seller (antares_70) pull it off? He claims to have used a tool called Tweet Adder, which helped him search for Twitter accounts based on geography, keywords, and number of followers, as well as the number of profiles followed. The idea, he says, is to start following accounts that are most likely to follow you back.