Both Rich and ThinThere's an ongoing battle between rich and thin applications. Rich client applications like iPhoto are powerful and productive. Thin client apps like Flickr are easy and connected.
Lately, it seems like the industry is going thin, but I think eventually both application styles will converge. Internet applications with rich-client frontends offer the best of both worlds, and they're already in wide use:
I love these applications! Thanks to the NewsFire RSS Reader, less than half the time I spend online is in a browser. I think we developers have a golden opportunity to create compelling rich clients as an improved way to access the Internet:
I'm sure these ideas may already exist in the wild, but I thought I'd take the opportunity to encourage rich client development!