Sounds much more painful than dropping them in iCloud / Google Drive / Dropbox, as you have to send, accept, save, switch to app, upload instead of just going t

Sounds much more painful than dropping them in iCloud / Google Drive / Dropbox, as you have to send, accept, save, switch to app, upload instead of just going to the app, select file from cloud storage, upload. Especially when you might want to upload from multiple devices.