Business 2.0: While users seem to love the ability to post pix on the fly, the real beneficiaries will be carriers, who’ve been looking for ways to plump up their flat revenues-per-customer. Here’s why. Everyone expected camera phones to unleash a flood of photo sharing and, with it, growing demand for bandwidth. But that didn’t happen because sharing pictures with your cell phone is a real pain in the neck: Uploading them is awkward and often doesn’t work. But moblogging relies on technology that makes it a snap: Sign on with a moblog service like Flickr and start e-mailing photos from your phone to that account.