Incremental Scalability
Agility
Reliability and Fault-Tolerance
Service-oriented
Los-Cost / Affordable
Security

- People will be able to access their personal Twitter feeds across Yahoo!’s products.
- People will be able to update their Twitter status and share content from Yahoo!
- Yahoo Search and media integration

Google Buzz is a new way to start conversations about the things you find interesting. It’s built right into Gmail.

Twitter launched a new cool feature: Hovercards
If you hover over a person’s username in your timeline, their profile information, location, and whether you follow them will appear. You also get the options menu, which allows you to follow, block, mention, or report someone right there.

The following is a list of some of the most prominent Open Source and other eCommerce Solutions/Applications for helping businesses do business on the Web.