Shaka turns your iPhone into a wind-speed-measuring machine
Amazon.com : Bluetooth Digital Anemometer, Handheld Wind Speed Meter for Air Flow Velocity Wind Temperature Wind Chill Gauge Tester, with Phone Tablet APP : Patio, Lawn & Garden
OpenWind | Smart Sailing Device
Anemometer - Wind speed on the App Store
Vaavud Smartphone Wind Meter Now Available, Use Your Phone To Measure Windspeed Like It's The Future | TechCrunch