If you wish to shares look some documents or files containing data important, but do not want the data contained therein on hand to get everyone (once you leave those files from you, you have to know where you will land), we recommend to use the mobile application Digify.
Available for Android si iOS, Digify allows users to share files uiasca, these will be self-destroy after a certain time set by the user (between 1 minute and 1 month), their content is permanently deletedWithout possibility of recovery. The people who receive these files will not be available but a limited time to view content their ba in addition, they will not do screenshots or copies of the files (if they try they will lose instant access and users have made sharing site will be alerted to this). Also, users can learn about the people who share files viewed here, how many times and for how long, and if they change their mind and want to revoke access in a file before reaching limited sharing are offered the option unshare.
application Digify is available in an free and allows uirea share files stored on your mobile, And on account dropbox.