Recently, my team and I helped a client brainstorm a new banking application for teenagers. But when we tested it on our target group, we quickly realized that the concept had a fundamental flaw. It seems that some teenagers nowadays share access to their devices by registering their friends’ fingerprints in their smartphone. For teenagers, allowing a friend access to their phone — their most personal and prized possession — is the highest form of trust. It’s like the 21st century mixtape. (It also forced us to go back to the drawing board for the bank, as it would constitute…
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