WordPress Just Made Millions of Blogs Real-Time With RSSCloud
Just two things right off the top of my head:
1) Being notified by a publisher when an eBook from an author you want to read has been put on sale (not everyone gets the months-in-advance Dan Brown hype treatment)
2) Being notified by your local library that an eBook you’ve been waiting to borrow has just been returned right now
Is Steve Haber and his upcoming 3G-enabled Sony Reader Daily Edition paying attention?