Libyans do express dissatisfaction from time to time, especially in the east of the country, around Benghazi, where the police presence is strong.

ECONOMIST: Libya

The result was that voters were eager to express their dissatisfaction at the polls on November 2, 2010.

FORBES: The 'I Can't Wait To Vote' Election Revisited

In survey after survey, year after year, employees express their dissatisfaction with how they are being supported in their careers.

FORBES: Want Talent? Help them Grow or Watch them Go

Members of the site who wanted to express their dissatisfaction with a recent redesign hijacked the front page to redirect users to rival service Reddit.

BBC: Reddit benefits from Digg site revamp

At the speed of light, I can express my satisfaction or dissatisfaction about a brand to a large, attentive audience connected to me.

FORBES: When It Comes to Social Media, How Big Are Your Company's Ears?