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Facebook gives its server racks a Tesla touch

It's using lithium-ion batteries, like those in electric cars, to replace lead-acid batteries for backup power.

Cram Session

IT Certifications: Discover where the value lies

The business value of technical certifications is higher than ever, as organizations fight for talent with proven skills and demonstrable acumen but choosing the right one is never an easy task.

Fast, cheap and easy: Five IT certifications that won't break you

Pirates, cheats and IT certs

14 mobile certifications that meet IT demands

26 cloud-specific IT certifications

Where to find security certifications

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