Google wave is a live, shared space on the web where people can discuss and work together using richly formatted text, photos, videos, maps, and more.
Google Latitude is a location-aware mobile app developed by Google. Latitude allows a mobile phone user to allow certain people to track their location. Via their own iGoogle accounts, the user's cell phone location is mapped on Google Maps. The user can control the accuracy and details of what each of the other users can see — an exact location can be allowed, or it can be limited to identifying the city only. For privacy, it can also be turned off by the user, or a location can be manually entered. Users have to explicitly opt in to Latitude, and may only see the location of friends who have decided to share their location.
Google Buzz is a social networking and messaging tool from Google, designed to integrate into the company's web-based email program, Gmail. Users can share links, photos, videos, status messages and comments organized in "conversations" and visible in the user's inbox.
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