Service Oriented Architectures - Exposing functionality so other applications can leverage and integrate the functionality

RSS Feeds - Subscribable Content Feeds

• Feed Readers: Google, NewsGator, MyYahoo, IE 7, Firefox, Safari, Outlook '07
• Subscribe to content: Recognize icons, RSS, XML, Add to Google, Click the icon or link and follow the instructions.

Widgets & Mash-Ups - Utilizing and combining existing API's to create a new API's.

• ParkingCarma.com

Weather Forecast Weather Maps Weather Radar

Web Services - Consumable mini-applications

• Google Custom Search
• Google Calendars
• Real Time Shipping Rates