Translations:Growth/Personalized first day/Engagement emails/20/en

Emailability: in order for us to send these emails to users, they need to have a verified email address and have opted-in to receiving these emails. In addition to adding the opt-in ability, we are also considering ways to make it easier to add and verify an email address. While we do not want to pressure any users into adding their email address, we do see many opportunities to make it clearer what the benefits are of having an email address, and making it clearer how to verify it.