If items you post attract comments from a few friends, it clearly raises your visibility overall.
"We want to make sure there's visibility for the saner people out there," she said.
The visibility of President-elect Obama is unprecedented in scale and scope.
c.1400, "condition of being visible," from Late Latin visibilitas (see visible). Meaning "range of vision under given conditions" is from 1914. Sense of "prominence, fame, public attention" is recorded from 1958.