How can software assist in procuring goods and services?

Q1. How can software assist in procuring goods and services?Q2. What is e-procurement software? When is it used? What are the top 5 industries using e-procurement software?Q3. Do you see any ethical issues with e-procurement?Q4. In your opinion, should stores be able to block people with smartphones from taking pictures of barcodes to do comparison shopping?Q5. How is e-procurement expected to change in the next decade?