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A comment on Cool retention hacks for your startup.

Re:Cool retention hacks for your startup by lurchedsawyer on Thursday May 28, 2020 @03:12PM (#23341150)
Sounds like a quick way to end up in a personal spam filter to me...
[ Parent | on HN ]
Re:Cool retention hacks for your startup by keyserfaty on Thursday May 28, 2020 @03:25PM (#23341350)
These are people who signed up to use your app and most likely gave you permission to email them.
[ Parent | on HN ]