Probably not (at least yet). Nokia is only offering assistance in exchange for first dibs on some potentially popular applications. Had it negotiated permanent exclusivity, it would be much more worrisome. That's not to say Windows Phone will not have real soon, though.

Windows Phone 8 could potentially cut off the Lumia and other Windows Phone 7 devices due to incompatibilities: Sources told The Verge last month that current Windows Phones are not upgradable to WP8.

If you own a Lumia or another Windows Phone 7 device, this means your phone could be totally obsolete in a matter of months. No more upgrades to new software, and apps will become incompatible with your device.

Imagine if a manufacturer signs a similar deal for its new Windows Phone 8 device. Will you ever get a compatible version for your phone? Probably not. You are warned.

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