Smart air freshener lets you select scents with your phone
 

Thanks to the internet of things, we have the ability to control our home's lighting and temperature at the touch of a button. But what about the smell? For that, we're left with shoving a Glade plug-in air freshener into a socket or opening a window...

https://www.engadget.com/2017/01/17/...-with-a-phone/