Sometimes being an early adopter can be a risky proposition. Especially when the hardware relies on a company controlled cloud service. Just like the company Chumby (a company that built a touchscreen android powered IoT connected Alarm clock), Emberlight is also shutting down. Claiming pressure from competitors and copycats they are ceasing operations and shutting down their cloud servers. This will effectively disable Emberlight cloud connected sockets. May be time to start looking into that next upgrade.

https://qz.com/1132657/an-internet-of-things-flop-means-some-connected-lights-wont-work-anymore/