The Ledger
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Winters: Pinterest users pinning by week four reliably retained long-term
“For Pinterest, that was like, okay, we have to get them pinning at least once in the first four weeks. And after four weeks, if they're doing it by the fourth week, we know week five, week six, week seven, we got them. Like they're going to stick around basica…”
Winters: Grubhub users needed a second order in three days for retention
“For Grubhub, we had to get you a second order in the first three days to reliably predict you building that habit.”
Winters: Delivering two daily orders kept Grubhub restaurants from churning
“So at Grubhub, that was like, you needed to get them two orders a day to stick around as a restaurant, and then they would never, you know, churn.”
Winters: Grubhub gave $10 mobile promos because app users doubled LTV
“So when our mobile app found product market fit at Grubhub, we decided to give everyone 10 dollars off their first mobile order because LTV doubled if you got the app.
And it was a little bit of a gambit, but a bunch of people used that promo, and then they st…”