so chrome needs a competitive feature! i might do this one
[1] https://chrome.google.com/webstore/detail/onetab/chphlpgkkbo...
[2] https://chrome.google.com/webstore/detail/dog-ear/kgnhaokbia...
With Pocket I found myself saving pages and never going back to them.
Perhaps, elaborating on the idea, you could create something like pocket that encourages you to read the things you've saved in a certain timeframe and cleans them if you don't?