Measure just about anything with the Dimensions app. The tool features a caliper with a precision of 0.156 mm or 0.006 inch, a "flexible" tape measure for interior measurements, and a podometer based on your GPS, among other things. Works on: iPhone, iPod touch, iPad Price:$0.99
How You Can Capitalize on the Internet of Things
By the year 2020, 50 billion devices are projected to be connected to the Internet.