Augmented reality, growing rapidly, will be mobile first, and will go on to change the face of business and advertising.
The Continental Congress approved the final wording of the Declaration of Independence on July 4, 1776. They'd been working on it for a couple of days after the draft was submitted on July 2nd and finally agreed on all of the edits and changes.
The Declaration of Independence was signed in 1776. Not all of those who signed the engrossed (official) copy signed it on July 4, but some signed on that date. There are three kinds of answers: ones that are mostly right, ones that are mostly wrong, and those that once were right but now are wrong.