This is to test the mp3 file instead of the m4a file previously used.

WhatsApp is dropping the $1 annual fee
http://www.engadget.com/2016/01/18/whatsapp-is-dropping-the-1-annual-fee/

Nest thermostat botched firmware update causing batteries in the thermostats to drain, and then become unusable.
https://nakedsecurity.sophos.com/2016/01/18/nest-smart-thermostat-glitch-leaves-cold-feet-and-steaming-mad-customers/