Future Me - Send an email to your future self
Gudak Cam - Disposable film camera in your iPhone
Dabble Me - Your own private place to write. A journal/diary to help you remember what's happened in your life.
WhiteAlbum - A disposable camera on your phone, printed & shipped to you
Letter to my future self - Letter to my future self is a prominent email scheduling service that gives you the opportunity to create a letter with goals and thoughts for your future self and schedule a date for sending it.
Authenpic - A disposable camera on your phone. No retakes.