Back when the webcomic User Friendly was at its peak, there were lots of jokes about the User Friendly Productivity Virus: once people in your company discovered the strip, work would grind to a halt as everyone caught up through the archives.
If you value your productivity and you're a Doctor Who fan, do yourself a favor. Wait until the weekend before you start reading Rich's excellent webcomic, The Ten Doctors. It really is that good, and you'll devour its 255 (and still counting) pages in huge gulps at a time. What would be too fannish to work on television works beautifully well here: No Companion Left Behind.