I remember when they first launched, Backtype seemed like something I had been looking for — a way to automatically aggregate and archive the comments I've post

I remember when they first launched, Backtype seemed like something I had been looking for — a way to automatically aggregate and archive the comments I've posted on various blogs and such. I spent some time getting increasingly frustrated trying to use their webapp when I realized I had apparently misunderstood the purpose of their indexing — they were actually reinventing the trackback.