See also "iPhone and iPhone 3G b . What's The Difference?" in Webopedia's Did You Know...? section.

GlobalSpec.com: Accelerometers - Provides database of suppliers for accelerometers. Includes catalogs, technical information, and supplier contact information.

Apple Computer Home Page
Offers links to news, product and support information.

Webopedia's "Did You Know...?" Section
Use this Webopedia knowledge section for an in-depth overview of specific technologies and occurrences in the areas of Computer Science, The Internet, and Computer Hardware and Software.