When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Computer & Technology RelatedPost here for help and discussion of computing and related technology. Internet, TVs, phones, consoles, computers, tablets and any other gadgets.
The wind measurement apps I've seen use sound, and are surprisingly accurate. There are apps that come with hardware for measuring wind. Personally I put a wet finger in the air.
All I know is we're on the beach choosing sail to put up and mate whips out his iphone, like it'll save the world lol, and I'm afraid it wasn't very useful