Ever missed an amazing set in spite of your sick surfboard because you packed it in not knowing that the wind was picking up and about to deliver the perfect wave? Or maybe you didn't realize just how hard the breeze was blowing and as a result, your tee shot wound up deep in the rough. Good news, sporting friends, because start-up company Shaka is here to make you more air-aware with a wind meter that plugs into the 3.5mm jack on your smartphone. It's a small, plastic fan, not much bigger than a box of matches, that pairs wit
