Obviousness vs. Tutorials

[John Gruber on the lock screen camera access for iOS 5.1](http://daringfireball.net/2012/04/obviousness): >To invoke the button, you must slide it upwards rather than simply tap it, for the same reason you must slide the unlock button rather than simply tap it: to avoid inadvertent invocation while the phone is in your pocket or purse. But if […]

Published by Ben Brooks