AWS Lambda is the future, it's the new normal. Great! Awesome. Can you do anything useful with it? We took that as a challenge. Could we, using AWS Lambda, create a multi-user, dynamic web application without using EC2 or resorting to hacks? I mean no instances, no ELBs, not even a security group. And especially no hard-coded AWS credentials. We did, and it's called Lambda Chat. Live demo http://l