Why do you need 2-D codes

This week I am doing a short talk at the Hull Digital networking event about 2-D codes. Here is my slide set for you to download, comment upon and share. Click the link below to go to the page where you can download the slides. You will PowerPoint 2007 or the compatibility add-in if you have a previous version of Microsoft Office.

Why do I need 2-D codes? Free download http://ow.ly/l81m