Have you ever come across a PDF and needed to edit some text?
Seen a PDF with info you would like to copy or use in a document? Don't start typing everything yourself, no need to download software that may or may not contain Malware. No need for expensive editing programs. Simply use Google Drive and Docs.
This tutorial shows exactly how it's done and guess what? Its easy, free AND you can even do it with photos or images.
Google Apps OCR(or Optical Character Recognition) is a very useful feature indeed!