Transcript for Inside Amazon: Secrets of an Online Mega-Retailer
today? Chances are good that on this cyber monday there was some point, click and buy going on. A record-breaking $1.5 billion worth of merchandise expected to have been order online today and no one shipped more orders than amazon. It's a company known for its competitiveness and its secrecy. But abc's neal karlinsky was allowed inside to see the amazon magic. Reporter: This is what the inner world of amazon looks like on cyber monday. Capitalism on parade. "Nightline" was invited in for a rare glimpse at one of its 80 huge fulfillment centers strategically sprinkled around the globe. Look down the aisle here. That's a lot of stuff. To find out what happens when you point, click and buy. A process that follows miles of conveyer belts inside a massive building like this. But first, an experiment. They say this is the hot video game. We place an order, just dance 4. If all goes according to plan we'll follow it from the shelf to my doorstep. This 1.2 million square foot amazon warehouse is the unseen shopping mall that never closes. It's funny, like noah's ark, you have one of everything here. Soccer ball, backck, tablecloth. We carry has much as we can. Reporter: Josh teeter a former military intelligence officer is the general manager, a little bit like an aircraft traffic controller for onshrine shopping. I tried to search for something you wouldn't have, I searched for a pink tuxedo and you have one available. I guess you're not the only one that wants that. pop up on a scanner, plucked from a shelf by hand and then dropped into a barcoded yellow bin. This is the one you bought. Reporter: This is mine. That will arrive at your house in a couple of days. Reporter: The amazon people let us draw a smiley face on the bin to follow it on a child ride through through winding maze. They added a small army of workers to handle the holidays. The things that must get out the door and fast. Is it a pressure cooker working in here? It gets very busy at this time and folks work hard for sure. We hire 50,000 seasonal employees to meet the demand. Reporter: Amazon faced serious complaints that workers are pushed to the limit in tough conditions. Safety is number one with us. The well-paying jobs, we pay 30% more than traditional retail. What do you have here? Shipping things off. Reporter: Somebody getting a hannah montana camera. Amazon is barcode heaven. Everything has a code. To find it, ship it, track it. Could you howe can they have everything from xhchain main and magnifying glasses on hand? One part is inventory and other is small business owners, like dan, his store sells clock oil and exploded by selling through amazon, their stuff shows up on amazon's website. And amazon gets a cut of the action. R we have about 150,000 SKUs WE OFFER AM ZAHN. Reporter:150,000 just from you? Just from us. Reporter: The company use sophisticated programs to track your online habits. A fully customized shopping experience to not only match prices but increasingly, match jo your desires. We have super smart people who build algorithims to get what people want. Consumers are urged to shop around. Meanwhile our happy yellow bin shows up right on cue. It's traveled about a mile since we saw it last and now it's nearing the end. As it's pulled off and boxed we add a message inside to make sure what shows up is the same item. All right. See this at home. 48 hours later. Here it is. A box was sitting on my doorstep. Crack it open. And -- there is our game. And it's our message. Happy hole dpridays from abc news. They may call it cyber monday but at amazon it never ends. I'm neal karlinsky for "nightline" in phoenix.
This transcript has been automatically generated and may not be 100% accurate.