Who would have thought a year or two ago that Facebook would become the first contender for the title of the most widely used Web OS (Operating System)? Certainly not me. And, yet, we see app after app developed and released for this social networking Web OS. Here's one that I learned about while reading Read/Write Web...

Google News Facebook application

Yep, you can build a custom Google News page for your Facebook account. I have custom sections based on the keywords (phrases) Apple, Open Source, and Windows Mobile.