I think content vanishing from digital distribution is a big concern at the moment. Especially streaming TV and Movie content. A good example of this is the BBC in the UK. I wanted to watch a series, but has missed the first 2 week's episodes. So I downloaded them and then set my sky box to record the rest as they were shown. Problem is the BBC started deleting the episodes after 30 days old, so I never got to see the series and deleted the rest. And the series hadn't been offered for streaming since.

Sky do offer box sets now for most of their content, including all previous series. However there is still no guarantee they will remain available forever. And there are many series still not available.

And for movies, although Sky have 1000s on demand I still keep finding a lot I search for are only available in the Sky store to purchase and not in the on demand store.

Therefore we still need to buy the physical boxsets and movies if we want access indefinitely.

Regarding games, it's not as bad.

Steam doesn't normally remove a game's files/download from their servers. If you have purchased a game, even if it's page vanishes from the actual store the game remains in your library with links to all it's support sections. A recent one I noticed was A-Train 9 v3. Now that v4 has been released the older v3 has been removed from the store. However it was still in my library for download. It's annoying not having access to such game's steam store pages though as you lose the access to details about the games such as screenshot, videos, reviews, publisher and developer info etc.. so that is annoying. Would be better if they kept the store pages but deactivated the purchase section.

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