The usual "Linux ISOs" storage, self-hosted cloud services, data hoarding of all kinds (https://www.reddit.com/r/DataHoarder/ https://www.reddit.com/r/DataHoard

The usual "Linux ISOs" storage, self-hosted cloud services, data hoarding of all kinds (https://www.reddit.com/r/DataHoarder/ https://www.reddit.com/r/DataHoarder/), probably original content creation for those who don't want to pay for/use cloud storage (photo/video/audio editing and creation). I'm sure that there must be more, but this is just the ones I know off the top of my head.