Nah, I think the scope is wider then that. In my case we use lambda to perform ETL based on S3 events, so when a file drops into S3, Lambda is invoked to proce

Nah, I think the scope is wider then that. In my case we use lambda to perform ETL based on S3 events, so when a file drops into S3, Lambda is invoked to process it. That works very well for us and is cheaper than running a box 24x7, as the file drops arrive sprodically throughout the day and Lambda can scale to meet the demand.