Is biometry always the solution? What happens if one chooses the wrong technology and adheres to it by all means? What if you, from three alternatives, choose the wrong ones twice? In this case study, ABI shows, through a true story, how negligent planning and obstinate tenacity to an improper choice can turn using a technology that worked for others into a nightmare. We also reveal the possible causes and give advice to you on how to avoid the same pitfalls.