John Zeratsky writes:
Major corporations like Amazon, Google, and eBay see the value in doing this. Smaller but significant players like Six Apart and Ludicorp (Flickr) obviously see the value. By making their services transparent (whether that is an implicit or explicit goal), they are providing in-roads for other developers.
Which is how Andre Torrez can tie TypeKeys authentication services to PayPals financial services and make something cool happen.
Similar things are happening at every level, from the bloggers (who include del.icio.us links or Flickr photos on their sites) to the developers (who integrate DropCash with MovableType or iPhoto with Flickr). I think this is just the beginning.
Forget the Google OS we are well on our way to a viable Web OS. It may never have the grandeur of the semantic web, but it will have lots of small pieces, loosely joined.