Readability can send daily digests of your reading list to your Kindle device. To do this, visit the Kindle settings
page in your Readability account make sure your Kindle is set up to receive documents from Readability. Then look for the Send Daily Digest
option and select it. Readability will send you a digest containing the 20 most recent articles in your reading list on each day that the list is different than the previous digest sent.