I love tapastic and spam isn't too common but at the same time, it needs more prevention. Tapastic doesn't protect much, when I joined, I could've easily spammed stuff anywhere, with nothing stopping me but of course I didn't. I could've easily just went
"Hey if you like __________ go to www.definitelynotavirussite.com to get _______" and before a flood of 200 bots do this, you should improve the spam protection. Some ideas of features to prevent this may include.
-First 10 comments are checked by staff and/or respected users.
-First 1-6 months of use can't make a post including www., .com, .biz etc.
-Better general captcha for the sign up by email.
If you have more possible ideas, please post below.
Also, http://tapastic.com/u0055ad4dc7f4433 <--- example spammer account. Also they did spam so ban them.