Ask HN: What happened to Serendipity, the fare tracker?

Good question. I was just about to tell a friend about it and this is the only post I can find.

Actually, I just remembered that I had left a comment on that thread, so here it is: http://news.ycombinator.com/item?id=2049698

He took it down at Kayak's request, because of the load caused by continuous requests on their servers: http://news.ycombinator.com/item?id=2052920

Oh well.

I had it running and it stopped working. Boo.

Edit: I mean, it's 403'd, not 404'd...