FORTUNE -- Having written twice about the problems I've had getting the iPhone 5S to recognize my scarred left thumbprint -- and to remember it two days later -- I'm happy to report that TouchID is working for me now.
I don't know whether to thank the "overtraining" trick I picked up a couple weeks ago or the iOS 7.1 software update that Apple (AAPL) released on Monday, but for me TouchID's reliability has increased significantly, from an unworkable 50% to close to 100%.
Your mileage may vary. In fact, some iPhone 5S owners are complaining on Apple's support site that for them, the update backfired. As of Wednesday morning, Touch ID doesn't work after iOS 7.1 Update had drawn 25 responses and more than 2,000 views.
To try to quantify the extent of the problem, how about a quick, totally unscientific poll?
No, Henry, you can't unlock an iPhone 5S with my cold, dead thumb.
FORTUNE -- In traditional Freudian analysis, dreams of losing a hand or a finger signify a deeper fear of castration. Could that explain the obsession with amputated digits among the staff of Henry Blodget's Business Insider?
Even before Apple (AAPL) unveiled its new fingerprint recognition system at last Tuesday's iPhone event, BI's Jay Yarow had raised the specter of a MOREPhilip Elmer-DeWitt - Sep 16, 2013 10:15 AM ET
Leaked photos of the new home button hardware don't look much like the old.
FORTUNE -- Ever since July 2012, when Apple (AAPL) acquired AuthenTec for $356 million, Apple watchers have assumed that AuthenTec's fingerprint recognition technology would some day find its way into the home button of the company's iOS devices.
It hasn't happened yet, but the chances that we'll see some form of fingerprint recognition in one or both of the MOREPhilip Elmer-DeWitt - Sep 5, 2013 10:44 AM ET
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