A while back Amazon made changes on their Kindle Highlights back-end.
Sadly, Kindle Daily Review was not incorporated into Amazon's migration to Kindle notes.
https://kindle.amazon.com/refresh/
The Kindle Daily Review was based on the Ebbinghaus forgetting (retention) curve.
https://en.wikipedia.org/wiki/Forgetting_curve
The forgetting curve hypothesizes the decline of memory retention in time. This curve shows how information is lost over time when there is no attempt to retain it.[1] A related concept is the strength of memory that refers to the durability that memory traces in the brain. The stronger the memory, the longer period of time that a person is able to recall it. A typical graph of the forgetting curve purports to show that humans tend to halve their memory of newly learned knowledge in a matter of days or weeks unless they consciously review the learned material.
The forgetting curve supports one of the seven kinds of memory failures: transience, which is the process of forgetting that occurs with the passage of time.
is now:
https://read.amazon.com/notebook
san's the Daily Review.
;-(
