These days, you can hardly go a day without seeing news about patent trolls or some kind of patent litigation plaguing businesses, especially in the technology industry.

TED, which has been introducing some very interesting playlists from its numerous talks lately, compiled a list of six videos about problems with patents in a recent blog post. We’ve looked at the one from Fark’s Drew Curtis before, but if this topic interests (or disturbs) you, you may want to check out the whole set.