T-Mobile's Sidekick II Strikes a Functional Balance of Voice, Data Uses Wireless-industry types like to talk about "smart phones" as if these souped-up, Internet-capable, multifunction cell phones all have the same IQ. But they don't.&lt;br&gt;&lt;FONT face="verdana,MS Sans Serif,arial,helvetica" size="-2" color="#666666"&gt;&lt;B&gt;-The Washington Post&lt;/B&gt;&lt;/FONT&gt;