Cool retention hacks for your startup (marketingforindiehackers.substack.com) 1 points by keyserfaty 6y ago ↗ HN
[–] lurchedsawyer 6y ago ↗ Sounds like a quick way to end up in a personal spam filter to me... [–] keyserfaty 6y ago ↗ These are people who signed up to use your app and most likely gave you permission to email them.
[–] keyserfaty 6y ago ↗ These are people who signed up to use your app and most likely gave you permission to email them.
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