Has Skype met its challenge?

Has Skype met its challenge? Skype's central offices must be rife with panic today. Why? Because a new mobile application has been launched today in the UK that will apparently give Skype a run for its money. Nimbuzz will provide mobile users and online communities with what they are calling an all-in-one solution for free mobile voIP calling, conference calling, instant messaging, chat and group chat. It also has a photo and file sending service across multiple IM communities, including Skyp