But, as with too many selfies on Instagram and Facebook, this apparent selfie just isn't a good look. The truth, though, is that those in positions of authority are sometimes tempted to pose for posterity when they have a brush with excitement. I was once in a bar when an off-duty police officer corralled me into a chat. Before I knew it -- and after he'd had more than several beers -- he pulled out his phone and showed me a selfie he'd taken with the corpse of a very famous actor. "Oh, cool," I said. Well, without the "cool" part.

To show people what virtual reality can do, Samsung's been offering 4D VR rides at trade shows, its New York office and other venues that make you physically feel the virtual reality videos you're watching on a Gear VR, You strap on the VR device as in case iphone 8 you sit in a special seat that uses hydraulics to physically simulate the virtual twists and turns of a roller coaster or Santa's sleigh, You get jerked back and forth, making it feel like you're on a real ride, This demo, space racing, was the most intense Samsung offered..

It features three seats in a sort of gyroscope. The seats look more like actual roller coaster seating than something for a tech demo. You're flipped back and forth as you careen through outer space. Samsung's 4D VR demo flips you every which way. Samsung's 4D VR demo is a wild ride. Another demo, air show, straps users into chairs that move every which way. You're a passenger on a high-powered stunt plane flying over Sydney harbor toward Bondi Beach. You're flipped upside down during an acrobatic air show above the beach.

This is what you see during the flying demo, For the skeleton winter sports simulation, you lie flat on your stomach in case iphone 8 as a Samsung booth worker tightens a strap around your legs, With this demo, you race 1,450 meters down a skeleton track in Vancouver, Canada, The final demo, boat racing, is the tamest, It tilts you here and there as you speed through South Australia's Murray River on a 12-foot dinghy, Another demo is a robot wars game that has you pick up virtual buildings to throw at your opponent..

Samsung's 4D VR rides tilt you every which way -- including upside down -- as they simulate space racing and other demos. Samsung's made a huge push over the past couple years with its $99 Gear VR headset. You slide a newer Samsung phone into the headset, put it over your eyes and are instantly transported to new places. So far, there are 5 million Gear VR headsets in use globally, and people have watched more than 10 million hours of video in Gear VR. To show people even more of what virtual reality can do, Samsung's been offering 4D VR rides at trade shows, its New York office and other venues that make you physically feel the virtual reality videos you're watching on a Gear VR. You strap on the VR device as you sit in a special seat that uses hydraulics to physically simulate the virtual twists and turns of a roller coaster or Santa's sleigh. You get jerked back and forth, making it feel like you're on a real ride.