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What It's Like Inside One Of Amazon's Massive Warehouses

JILLIAN D'ONFRONov 28, 2014, 23:50 IST

Tis the season for holiday shopping.

Black Friday follow by Cyber Monday and then several more weeks of last minute holiday shopping make for the most lucrative time of year for online retailers like Amazon.

Already, Amazon's Thanksgiving sales were up more than 25% year-over-year, according to ChannelAdvisor.

Amazon's magic happens inside its more than 90 fulfillment and sortation centers located all around the world. There are 50 in the US alone, with 15 more sortation centers completed by the end of 2014 (the company spends billions of dollars on its infrastructure).

Disclosure: Jeff Bezos is an investor in Business Insider through his personal investment company Bezos Expeditions.