The article analyzes the best time to send messages based on data collected from millions of messages sent through Intercom. The peak open rate for all types of messages is between 10-11am, with Tuesdays and Thursdays being the most active days of the week. Emails have a higher spike in open rates between 10-11am, while in-apps remain more consistent throughout the day. The data suggests that emails sent between 10-2pm on Tuesdays and Thursdays have the greatest chance of being opened, but in-apps have a more consistent open rate throughout the week.