BlackBerry, Bluetooth Have Limited Following Devices have remained stubbornly irrelevant to many mainstream users, despite the benefits they might offer and the hype they often get in the press. &lt;FONT face="verdana,MS Sans Serif,arial,helvetica" size="-2" color="#666666"&gt;&lt;B&gt;-Rob Pegoraro&lt;/B&gt;&lt;/FONT&gt;