This was a failure across Palm's engineering, design, and marketing teams. And it's not like Palm is the ONLY company to have this problem.
But if Palm was going to have any chance to compete with RIM, Apple, and Android phones, it needed SOMETHING important that was better, that Palm's marketing people could communicate was better to would-be buyers.
It didn't have that. Everything was too little, too late.
Read more: http://www.sfgate.com/cgi-bin/article.cgi?f=/g/a/2010/04/29/businessinsider-10-reasons-palm-failed-and-had-to-sell-to-hp-2010-4.DTL#ixzz0mSmE2EuX