XML files store structured data readable by humans and machines. Steelers' Aaron Rodgers Drops Surprising Hint About NFL Future Watch whales and dog become best friends in unlikely encounters ...

When we open a document, say a Word file, Excel, or TXT file, an image file (PNG, JPG, etc.), audio video, etc., Windows automatically keeps track of such opened files. This helps to easily access or ...

But static has always been the operative word. The PDF has been a destination and a final state. That was the case until ...