The diabatron 2000 robot has a computer brain that sifts twitter for tweeters tweeting on subjects related to diabetes. The computer brain searches for these words:

The computer in his brain then performs a calculation to determine a twitterers rank (R) as follows:

Where Ct is the count of the number of times the user has tweeted a word that is in our computer filter. The computer then effortlessly sorts all the ranks and returns the top 20 to display here, on his tummy.