of overwhelm for people who receive too much email. The calmer is textual affirmation and a visual summary of email actions, which they will experience when they send, reply to, or archive an email.
the associated rewards Even a simple form of encouragement is effective in lifting mood The idea of growing or nurturing something over time as a result of their actions resonated strongly with users Affirmation is more effective if it is personalized and appropriate to the context.
to know when you are stressed and "pick you up" accordingly? What if the affirmation was a speedbump? What if you could preserve the garden and people could access, refer back to, and send the garden to others as encouragement?
lighthearted, fun (people who like goofy games) unexpected nature of messages was humorous and funny animations and messages were amusing sounds created a sense of accomplishment - gets in the way of sleekness (people who prefer more "serious" interactions.) could get repetitive, intrusive, annoying did not help productivity for some Contested serious interactions vs. gamification divided over the game as a personal vs. social experience