[friendly_fren]

Don't store your private information in the cloud unencrypted. Caching bugs frequently leak unintended data.

[dehrmann]

This makes sense for backups, but for something like photos, there's a lot of value-add you're missing out on. Something like sharing a photo with a friend becomes an ordeal.

[sneak]

This is a nice platitude, but frequently most b2c client apps that use cloud storage (eg Google Photos) give no option to encrypt data clientside for storage.

[youareostriches]

Which is exactly why you shouldn’t use them.