I'm guessing it's going to provide the missing piece for the new Microsoft cloud initiatives (Office 360, etc.) by allowing end-users and SMBs to make voice and videophone calls without the need to set up a server specifically for it.
Microsoft is well on its way to being able to provide a total and seamless computing environment that runs from the desktop to the Internet by way of the cloud with all stops covered in between.
Is it your one-stop shop for a: Desktop OS? Phone system? ISP? Web host? Telco? Office suite? Server farm? Security management system? Collaboration suite? Videoconferencing center? Instant messenger? Social web? E-mail system? MMORPG? Cloud host?
Could be...and probably will
be if they continue in the direction they're going.
Hey Mr. Jobs! How's thinking different
working out for ya now that Microsoft's given up on that in order to think BIG