creating an addon for improving the youtube browsing experience
I would personally suggest to:
create an addon for improving the overall youtube browsing experience
this may include but not only:
the option of getting better recommendations based on a database of high quality content cookies, stored, or downloaded straight from the addon or instantated every time you run it
the possibility to have subscriptions displaying by default when you load youtube
the possibility to turn your subscriptions automatically into a playlist, or play them as a playlist
creating an addon for improving the youtube browsing experience
I would personally suggest to:
this may include but not only: