I have used qr code barcode generator for Word and Excel. But now I have to print a QR Code at the bottom of each page of my PPT. Any idea for that? I tried this method below but it seems that I can not make sure each qr code will be generated at the same position of each PPT page
http://office.microsoft.com/en-us/powerpoint-help/insert-a-barcode-into-an-office-document/qr-code-generator