A free cellphone service called ChaCha lets you ask any question answerable via a Web search, by simply making a voice call. In most cases, it gave fast, accurate answers. But it has a few weaknesses.
In the exciting new category of modern hand-held computers — devices that fit in your pocket but are used more like a laptop than a traditional phone — there has so far been only one serious option. But that will all change on Oct. 22, when T-Mobile and Google bring out the G1, the first hand-held computer that’s in the same class as Apple’s iPhone.
Edited by Walt and written by Katie Boehret, this is a guide to gadgets, web services and other consumer technologies.
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