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The unlimited data buffet enjoyed by many smartphone subscribers in the U.S. is ending. So …

Telling no one but its Web site, Sony Ericsson has begun offering the Xperia arc to U.S. consumers with an unlocked, no-contract $599 price tag. Listed as having support for AT&T’s 3G bands (850MHz/1900MHz/2100MHz), it’s very possible that it may arrive later at at the carrier. T-Mobile subscribers can pick up an unlocked Arc as well, though it won’t support …

With allegations that Google infringed on several patents in its Android operating system, two of the biggest beneficiaries of sales of mobile devices that use the technology could well be Oracle and Microsoft. Both companies are seeking as much as a $20 licensing fee per device from handset makers that choose to use Android. That’d be roughly double the amount …