Real Dangers of Thoughtless Sharing

The longer term, societal effects of a general loss of privacy due to ubiquitous data availability and surveillance are not well-understood. The ability to record nearly everything and to make that record available to others is unprecedented in human history, and defeats parallels. What will it be like to grow up in a world that does not forget? Will comments posted online at age 14 discourage people from seeking public office or speaking out years later, out of fear?