I got a Particle Photon in last month's Hackerbox and played with it a little and I needed a good idea to work on. I also bought an Amazon Echo device as well a few months ago and have been working on creating some skills for Alexa. So I worked out some integration between the two!
Here's an example of controlling the Photon through Alexa. The trick was using the IFTTT website to make the integration a breeze! If you haven't checked out IFTTT then you need to - it's very cool!
Without further ado - here's the video :)