There's an interesting social experiment going on that involves a Twitter account, Starbucks mobile apps and a bit of web software development. The Twitter account is found here:@jonathanscardIf you go there, you'll see a series of mesages indicating money added to the Starbucks card account as well as when it is empty. During the period I watched the stream, it went zero several times in a single hour. It was also replenished in a single hour. So, what is going on there? The answer to that is o [...]

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