Having up-to-date equipment is important to sound traffic signal operations. The signal controller should be upgraded, at a cost of approximately $10,000 each, minimally every 10 years. Routine traffic signal timing updates cost $3,000 or less per intersection.
Facebook. 1  the brand name of a social media service and website, launched in 2004. 2  to communicate with (a person) or search for information about (a person) by using Facebook: My old boyfriend just Facebooked me. 3  to post on Facebook: I facebooked some photos of my cat.
In an attempt to make it easier for users to show their support for a cause, celebrate a victory, or raise awareness, Facebook is testing a feature wherein it allows a user to quickly change their profile picture and automatically revert back to the previous profile image after a fixed duration.hanging a profile picture to support a cause definitely seems to be a more effective and user engaging way to express a thought compared to stating it over a textual status update.