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Meta terminology

LTV

Lifetime Value

The cumulative value, usually expressed as profit, expected from a user over their whole time on the platform. The document that defines it puts a 13-year-old joiner's lifetime value at "roughly $270 per teen" on one page, while an October 2018 market-strategy update says "approximately $350" - a contradiction the archive never reconciles.

Sources

Internal documentMarket Landscape Review: Teen Opportunity Cost and Lifetime Value

Internal documentUnsealed internal messages ("Market Strategy Updates - 10/5/18")

Internal documentUnsealed internal messages ("Q4 Pre-Earnings Ads Sentiment and Supply Update")

Internal documentUnsealed internal messages ("Re: Rob's Youth Update - Sep 7")