Google Allo is the chat app, you're thinking of Google Home. Snowden is saying Allo is dangerous because end-to-end encryption is an opt in setting and not the

Google Allo is the chat app, you're thinking of Google Home. Snowden is saying Allo is dangerous because end-to-end encryption is an opt in setting and not the default setting. Google set it up this way to provide Google Now style automated context based annotation to messages. Users can turn on an "off-the-record" style mode with end to end encryption but it disables the message annotation.