TweetBig is a Twitter automation tool that allows users to get more targeted followers based on up to 15 keywords. It automatically follows and tweets to those who follow influential figures in the user's niche. TweetBig also lets users schedule up to 99 tweets in advance, automatically tweet new content like YouTube videos, and track follower analytics. The tool is designed to be easy to set up and use in order to automate Twitter processes and gain more followers over time.