To counter some of the other comments, them being based in Panama is a huge plus imo, if you’re inclined to do things deemed illegal by local authorities. They have no incentive to comply with government issued search warrants or the like. Most western country-based companies are legally obligated to comply with those requests, or even store information for a number of years. With quantum-based decryption there’s no saying how long even encrypted data will be safe.

Proton includes cloud storage and recently started supporting automatic backup of pictures on your phone.

Didn’t that turn out to be a weather balloon launched by an amateur meteorology club?