Parenting wisdom for product managers, powered by Lenny's Podcast

False Liquidity Kills Marketplaces

Inspired by Ramesh Johari episode

Ramesh Johari: marketplaces die optimizing quantity over match quality. Your playdate roster might have the same problem.

Ramesh Johari says marketplaces die when they optimize for liquidity metrics over quality. You're measuring total supply when you should measure *effective* supply.

Cool. Your playdate calendar is PACKED. Look at you, socializing your kid like a responsible parent. Except none of these matches work. That kid's seven and yours is four. That one's nice but won't share a single truck. This family's kid just bit yours and the mom's acting like it's a developmental milestone.

You've got false liquidity. Ten families in your contacts, zero that actually result in your kid playing while you drink coffee in peace.

The metric that matters isn't "How many playdates did we book?" It's "How many times did the kids actually play together without someone crying or me having to referee a toy negotiation like I'm Henry Kissinger?"

Find the two families where it actually works. That's your effective supply. Everyone else is just making you feel busy while your kid melts down in someone else's house.

2-3yr3-4yr4-6yrMeasuring SuccessSocial SkillsRamesh Johari
While this advice is inspired by Ramesh Johari's quotes, it does not necessarily mean they would agree with it. Much like your kids or mother-in-law. If you see something odd though, you can .