Overall you can use this site to acquainted with certain data that you want to know about competition or about your own Twitter account. There are restrictions for a free account but you can upgrade if you feel this tool will work magic for you. If not, then the least you can do with the site is pull up a list of accounts in your niche and follow them and communicate with them to build relationships. Just remember, you can only follow 100 accounts per day and you want to like and retweet content that interest you.