Sync contacts that are created/updated in Dex to Google Contacts (or another contact provider) if it doesn't already exist. Keep both sources up-to-date.
Add events automatically based on my calendar
I had a meeting with some friends last week, and rather than manually log those interactions, can you suggest them for me, and I can confirm that the event and the person and time are correct? There's too much manual work here to log each interaction.
Integrate reminders into Google Calendar
Import reminders (one-time, kit, birthdays), into a Google Calendar for users.
Timeline view for upcoming keep-in-touch
Be able to see upcoming keep-in-touch based on a timeline by month.