Skype Software has launched a major update to its popular Skype application for the iPhone and iPod touch, introducing the ability for users to place VoIP calls over the cellular 3G network. Although Skype-to-Skype calls over Wi-Fi will remain free, Skype has indicated plans to charge a “small monthly fee” for placing Skype-to-Skype calls over the 3G network, suggesting that 3G calling will be based on a subscription service, rather than…
