Google Calendar
Some things you think will be simple actually end up getting really complex. Google knows this all to well, which is why it recently rolled out a brand new Google Calendar -- and plenty of nifty features to go with it.
While a few features in the latest Google Calendar aren't new, they have changed somewhat. Still other features you might not know exist at all. Let's go over all of them to make your life a little easier.
GCal Hacks: https://www.calendar.com/blog/google-calendar-hacks/
GCal Tips: https://blog.hubspot.com/marketing/google-calendar-tips
Mastering GCal: https://betterspider.com/productivity-101-5-tips-on-mastering-google-calendar/
Adding Attachment to Calendar events: https://support.google.com/calendar/answer/6192039
8 Google Calendar Tips for Productivity
How to Use Tasks and Reminders in Google Calendar