Fellow colleague and liblogarian, Aaron Tan, blogged about this new social search service called Aardvark (vark.com).A few weeks ago, Aaron emailed me an invite. I took it up (but only after he followed up by speaking to me face to face... and I've a point to make about this, at the end of the post).Signing up was a breeze, and the set-up was systematic and intuitive."Like it or not, librarians are not the first people we think about whenever we need to know something"I agree. So I think the...