by Michael Arrington Last month Skype was in talks to acquire VoIP startup Gizmo5. It was a perfect backup plan in case all that IP litigation didn’t work out. Gizmo5′s SIP infrastructure could theoretically replace Skype’s proprietary P2P back end. After the Skype settlement, though, Gizmo5′s strategic value to Skype sort of plummeted. In the meantime, Google bought them, [...]