Glitch: You can follow yourself
How to do it:
Find someone who is following you, go to there profile and click in the following categorie find your self and hit follow
Check my profile for proof
Here is a video (bourg19 if you want me to delete this just telle me, I am unsure of how public you want your profile to be) : https://share.vidyard.com/watch/5KTjWtej3mrYbNu6vNjrz8
This has always been possible (albeit by different means). It is (or, at least, used to be) possible to follow non-users such as 'discussion', 'settings', 'help', etc., too.
I did that for a while, and then I got sick of myself showing up twice on the leaderboard. Useless, I know, but still kind of cool.