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What do you think of this prediction?
(programming.dev)
Steam is a video game digital distribution service by Valve.
Steam News | Steam Beta Client news
Useful tools:
SteamDB
SteamCharts
Issue tracker for Linux version of Steam
When you own the game you have the choice whether to back up the game and whether to keep a computer that can run it.
Both of those mean you have to own a physical thing. Store services are basically backups for cases when you stop owning a physical thing for a while.