2-way Google Calendar sync
Setting base availability within the extension is a good start, but many of us schedule our time using Google Calendar (for both personal and professional time commitments) so Bookings isn’t an option unless it can limit availability based on real-time openings.
For the same reason, it’s important that new appointments are also saved to Google Calendar. Thanks to their API and ubiquity, most scheduling and calendar-extension-type apps play with Google Calendar, so it serves as a central clearing house for all things scheduling; it needs to be current.
I’m not going into a lot of detail here, but several folks have provided more information and use cases:
Last updated: May 28, 2014