Apple has envisioned a way to see whether a fellow iPhone user is free to talk before you even complete the call.
Published Thursday by the U.S. Patent and Trademark Office, a patent appropriately called "Methods to determine availability of user based on mobile phone status," describes just that process.
How many times do you call someone only to get dumped into voice mail? Maybe the person isn't available or is in a dead zone or has just turned on Airplane mode. Apple's proposed invention seeks to eliminate that uncertainty by alerting you to the … Read more