Future Me - Send an email to your future self
Crypto Price Tracker - An app for all your cryptocurrency needs!
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.
Bumper - Bumper is a stripped down version of FollowUpThen, followup.
Letter to Yourself - Send a physical letter to your future self
Twitter Ads - Twitter offers targeted ad placement on their ad platform.