'Bokeh' is used when referring to the quality of the out-of-focus background (or foreground) of the image, not the fact that it is out of focus.
Eeeh?! The term comes from the Japanese word "boke" and is blur produced in the out-of-focus parts of an image .
Ghostery blocks sites from gathering personal information.
But it does have an opt-in feature GhostRank that can be checked to "support" them
so, don't check it ! (or uncheck it)
Any program which runs right is obsolete.