If you choose to use a webapp - e.g. Dropbox, Gmail, Instagram, Flickr - you are already trusting those services to store your data. There is an implicit trust

If you choose to use a webapp - e.g. Dropbox, Gmail, Instagram, Flickr - you are already trusting those services to store your data. There is an implicit trust there. I would have thought them already having all your emails, files, documents etc. is a far greater trust than whether they know how often you open up their app.... The topic of this discussion is around Amazon Underground collecting telemetry data on app usage. This is clearly stated in their TOS, and they explain that it's for re-compensating app authors. Can you explain how this is a breach of privacy, as opposed to simply being the deal you strike, when they give you paid apps free?