A low friction way to communicate progress on a daily basis.
Often, tools will try to bypass emails and your overloaded inbox and ask you to remember to launch tool X or website Y to supply an update. This one tackles that issue the other way around and works with email (perhaps on the notion that people are more likely to take part each day if it works with a tool they already use)
Reply to an evening email reminder with what you did that day. The next day, get a digest with what everyone on the team got done.
It’s that simple. No hassle, no micromanagement. Get stuff done, and celebrate it with your team.
And some further rationale: