I built http://pagepoller.r14.railsrumble.com http://pagepoller.r14.railsrumble.com it scrapes web pages and emails if some specific part changes. I use it to g

I built http://pagepoller.r14.railsrumble.com http://pagepoller.r14.railsrumble.com it scrapes web pages and emails if some specific part changes. I use it to get top HN story, xkcd and when free books are available on packtpub.