Smart umbrella tells you when it's going to rain
 

Everything is connected these days, so why not an umbrella? Oombrella is an upscale parasol that alerts you if it's going to rain before you head outside and reminds you not to leave it behind. That's a neat idea, but is it worth a $75 (€64) bet...

http://www.engadget.com/2016/04/11/s...going-to-rain/