On personal computer:
One window with Youtube for entertainment.
One window with a different youtube account for serious research (Different account as to not poision the recommendation feeds to much with cross polination)
One Window with Imgur, Hackernews, Digg, and a few news aggregation sites.
One Window with Discord,<p>On Work Computer
Then one Work window with documentation.
And one Work window for Case management.
One Work window for internal techtools.
And one window for hacker news and digg.