Describe one purchase you have made using a mobile device (if you have not made a purchase using a mobile device, ask a teenager!).

Describe one purchase you have made using a mobile device (if you have not made a purchase using a mobile device, ask a teenager!).
Explain your experience, was it good, bad or neutral?
What would you say to someone that is making their first online purchase on a cell phone?
What should they expect? What should they look out for?