Vid-Biz: Blockbuster, Jokes.com, 236.com

Blockbuster Set-top Box Has Problems; slow-filling screens, password issues, and a DRM message said to hamper this movie rental service. (ZatzNotFunny!)

Jokes.com Relaunched; Comedy Central brings back the bite-sized bits of stand-up with more than 5,000 clips from the likes of Demetri Martin, Sarah Silverman and Katt Williams. (AdWeek)

Diller Getting Rid of 236.com? news-based comedy site could be axed or sold off as IAC cuts back on its online content businesses. (Advertising Age)

YouTube News Roundup: YouTube embeds now come in widescreen (Mashable), and with a search bar up top (TechCrunch); medical device ads on YouTube draw fire for not including disclaimers (The Wall Street Journal); and the video channels you subscribe to could reveal more about you than you’d like (Bits Blog).

Cooliris Update Adds Features; 3D media exploration tool adds favorites and preferences and becomes more customizable — hinting at how it might make money. (VentureBeat)