Remembering what I have read with Kindle Daily Review

Amazon has a feature for Kindle book readers called Daily Review (or Daily Refresh, or Flashcards) which brings up passages I have highlighted in my books to help me retain my memories of the book. They say:

Daily Review is a tool to help you review and remember the most significant ideas from your books. It shows you flashcards with either your highlights and notes or the Popular Highlights from one of your books.

...

The periodic review of ideas makes it easier to remember them. This works better if you space the reviews over increasing time intervals, a "Spacing Effect" that was first identified by German psychologist Hermann Ebbinghaus. Depending on how many books you have marked as "read", you will see a particular book again in the Daily Review in roughly 1 week, 1 month, 3 months, 6 months, and thereafter annually. ...

The only problem: I need a reminder to use this memory aid! As far as I can tell, I have to sign into my kindle account to get it. Putting in in a daily email would suit me much better.