Any reason why Echoes couldn't communicate with other Echoes? My friend and I own Echoes. I could say "Alexa, call Joe" Joe and I could talk to each other through the Echoes over the internet.

Or even "Alexa, eavesdrop on Joe".

Any reason Echoes couldn't communicate with each other? I envision my friend and I own an Echo. I could say "Alexa, call Joe". We could talk to each other through the Echo over the internet.