If you're logged into the site and check out someone else's profile, you'll see your Commonality Rating at the top. I crunch some numbers to come up with it but it's pretty much just the % of courses you have in common with the that person.
justin mentioned the idea to me a while ago (thanks justin!) and I thought it sounded like a fun/cool thing to add.
justin mentioned the idea to me a while ago (thanks justin!) and I thought it sounded like a fun/cool thing to add.