NFC’s ongoing user interface problem: some readers don’t work

I haven’t had a lot of kind words for NFC, the mobile payments mechanism that some have touted as the Next Big Thing in payments. I’ve knocked it for being a kludgy experience that doesn’t deliver any meaningful consumer value over swiping a credit card. But NFC has another big problem: Even when you think it might work, it doesn’t.

Are you being played? How tech companies use gamification

When you visit LinkedIn, one of the most ominous features encouraging profile completion is the progress bar telling you that your profile has a long way to go before you’re complete. This very basic example of “gamification” has helped LinkedIn efficiently grow its global user base with relevant, accurate and high-value data.