All the other descriptors we use to describe phones -- "camera phone," "music phone," "slider phone" -- actually mean something everyone understands. But "smart" tells you nothing. Sure, you need a Ph.D to learn how to use some of these phones, but that doesn't make the phone smart.

If you want to divide the phone universe the way ABI does, then a better descriptor would be "open platform phone." If Gartner's differentiator is the one you like, then "PDA phone" means something. Palm's definition would work better as "Internet phone."

But "smart"? What does that mean? Well, according to my online dictionary, the primary meaning is: "Characterized by sharp quick thought." But "regular" phones are and always have been sharper and quicker than "smartphones." (I like the secondary meaning better: "To cause a sharp, usually superficial, stinging pain.")

"Smartphone" has always been just a vague, meaningless proxy for an unspecified range of features that nobody agrees on and that are no longer exclusive to the category.

In closing, more on open platforms