Pretty cool looking email app. Aside from that, the site design is a nice example of putting the full narrative from screenshot down to FAQ type content. I like how it flows both copy and visually.
Microinteractions
Microinteractions are subtle site animations enhancing engagement. They include triggers, rules, feedback, and sometimes loops/modes. Practical uses: improving engagement, guiding user behavior. Well-designed microinteractions boost user engagement and your online presence.
Agree