Friday blog roundup

For most of my American readers, happy forced-vacation-day! 🙂 Here’s what’s been going on in my blogging world lately:

Imagine having one credit card that could be instantly reprogrammed to mimic any of your credit cards or loyalty cards. FrequentMiler profiles a venture in Ann Arbor that is creating such a product. Sounds nifty, but for $100, I might pass on this one.

Reader Phil sent a really cool YouTube video showing a time-lapse video of what the air traffic around the world looks like over 24 hours.

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