Last year, Leica introduced an app called Leica Lux that essentially turned your iPhone into a Leica camera. Or rather, it gave your iPhone access to lens simulations and 35mm film filters that made ...

I'm Luke Kerr-Dineen, Senior Editor for Game Improvement at Golf Digest and resident golf swing nerd. Golf IQ is my weekly newsletter where I’ll share insight from some of the smartest people in the ...