AT&T is getting into the cloud-storage game -- and giving away free upgrades to entice new customers.
Normally, signing up for an AT&T Locker account nets you 5GB of free cloud storage. However, for a limited time, you can get your account upgraded to 50GB at no charge.
Should you bother? After all, what the heck is AT&T Locker? It's a fairly basic cloud-storage service, one built primarily for backing up your mobile media (photos, videos, and so on) -- but also useful for basic file archiving and sharing.
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