This is pretty cool. A few terms that immediately came to mind but are missing from this list as of right now are "network effects", "lifecycle email", "CPM", a

This is pretty cool. A few terms that immediately came to mind but are missing from this list as of right now are "network effects", "lifecycle email", "CPM", and "angel". Not strictly startup related, or even all that obscure, but there are a lot of not-strictly-startup-related-not-really-obscure terms on the list already (API, AWS, cloud, NDA, churn rate, etc.)