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Today Apple added some excellent features to its iPhone platform, so we were forced to update our smartphone beginner's guide chart. Here it is:

Use the above chart to easily gauge the differences in the current smartphone platforms on the market, or jump to our original guide for a deeper phone-by-phone lesson.

Note: We just updated it to reflect webOS 1.4. Symbian isn't going to be included until some massive revision is announced. Sorry!

Full details on the new iPhone OS 4.0