You probably heard about the alleged end of the world that could occur on December 21 2012 and about Mayan calendar predicting the apocalyptic events. Where did all this come from?
Microsoft Word allows you to add the comments to text, images or basically anything included in the document. It's a great way do review a document and suggest the changes that should be made.
Back in the days of Soviet Union, when there was no Photoshop available and space race was at its peak amazing and beautifully crafted propaganda illustrations were being created.