I hope the headline doesn't come off as entitled ;)
As the title says, how about the ability to check the most common used tags by a user. For example, if I click on syncretic I could click on "show tags" and see what he uses for his submissions. Right now if I want to find people to follow, I can't get a real overview of what content they post (well, not everybody give such a clear description as syncretic), I can view their recent posts or shares, or view all their comments, but for active users, this hardly gives any overview. With the ability to see the tags they use, one could decide with a single glimpse whether you share any interests or don't. The tags could be sorted by frequency, or maybe show only the five (or insert any other random number here) most used tags, or the tags whose posts got the most shares, or...