Starbucks’ POS crash still a mystery

The tech world is still pondering precisely what caused a massive point-of-sale computer outage at Starbucks last week that left millions of customers in the United States and Canada in various states of caffeine withdrawal.

The grande glitch, which began on Friday night and ended on Saturday, forced some managers to briefly close their stores. Others stayed open, and baristas handed out free drinks.

Crisis management experts will likely give the company high marks for empowering its quick-thinking employees to fall back on the beverage giveaways, which along with the store closures, almost certainly cost Starbucks tens of millions in revenue.

Tech analysts, however, are still scratching their heads. Is it conceivable that the global coffee giant does not have a total redundancy in its systems, known in industry jargon as an n + n system? Or did its plan for launching that back-up system somehow fail? And if so, did the breakdown occur in the technology or was human error or both?

The stock fell nearly 2% on Monday after a very positive reaction to first quarter earnings on Friday. Investors appear to be sorting out the opportunities from the risks.

The Seattle-based company cited an internal failure during a daily refresh of its system, and stated that a cyber attack or external breach was not responsible. The outage also affected Starbucks' Evolution Fresh and Teavana stores.

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