By allowing you to fly around the planet and craft your own virtual worlds, Google Earth 4 beta stands apart from other mapping tools.
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Though it's still a rough draft, we found the Riya beta face recognition tool to be a convenient time-saver for finding people in our digital photos.
MSN's answer to Google Earth, MSN Virtual Earth, offers a few unique features but mostly falls short of its competition.
Google Earth (beta) looks to be an interesting and fun mapping and research tool.
Specs: Free, Windows
MSN Search may appeal to fans of MSN's various services, but its lackluster local and multimedia searches disappoint.
While it's weak on multimedia and local searches, Ask Jeeves's powerful search history, organizational tools, and one-of-a-kind site preview make it a compelling choice for students.
A9's unique, personalized approach to search is perfect for those who need a wide range of results from their queries.
Specs: Free
This search engine warhorse offers above-average audio and video searches, but Yahoo boasts the same features--and more.
