Thank god for Minitube [1] and youtube-dl [2] . youtube-dl can download videos from not only YouTube, but over 500 different services.
"Mohan said the goal is to make sure that advertisers’ video spots run for at least two seconds while covering at least 50 percent of screens -- the industry standard. "
Adblock is one of the worst plugins you can ever install if you still wish to use your browser without hogging resources.
EDIT: Links to source code for both
ABP could be better implemented, for sure, but mostly it just works.
This will soon be common to all as based services.
Youtube adverts are tolerable, and sometimes i even watch past the 5 second skip if it is funny or interesting. 4OD ads get blocked outright.