It seemed minor at the time, but last year's loss by Apple of a patent suit from VirnetX has cascaded into some serious problems for the FaceTime service.
Apple could have to face continuing royalty payments in the millions of dollars per month, and to comply, Apple has made some changes to FaceTime that are driving many users crazy. One report puts complaints at half a million.
Ars Technica reports that Apple has completely redesigned its backend architecture. But it's impacting users in negative ways.
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