This is a bit of background info I want to keep in mind: it throws some light on operational differences between Memeorandum and TailRank.
TechCrunch » TailRank is Looking Good:Technorati tags: TailRank, MemeorandumThe core back end difference between the services is that Gabe Rivera, the founder of Memeorandum, hand picked the original “seed” blogs with subsequent sources discovered by his system (guaranteeing quality but sacrificing breadth), whereas most of TailRank’s content comes directly from users who upload their favorite blogs in OPML format (the file format that most RSS readers like Bloglines and Rojo use to store feeds). The additional breadth of coverage offered by TailRank may be the cause of its lag behind Memeorandum in breaking news.
