An attendee tries Acton's RocketSkates at the 2015 International CES at the Sands Expo and Convention Center on January 6, 2015 in Las Vegas, Nevada. The motorized skates that you strap to your shoes are powered by Lithium Ion batteries and can go up to 12 mph. (Photo by Ethan Miller/Getty Images)

A member of the Air Force's Wings of Blue Parachute Demonstration Team salutes as he jumps out of an aircraft, during the opening ceremony of Aviation Nation 2017 Nellis Air and Space Expo at Nellis Air Force Base, Nev., November 10, 2017. (Photo by Senior Airman Kevin Tanenbaum/Reuters/U.S. Air Force)

Steve Jobs, CEO of Apple, attends the Macworld Conference and Expo July 18, 2001 in New York City. (Photo by Mario Tama/Getty Images)

A curious cat ipeeks out of a bag carried by its owner on a tour of the Cat Expo 2022 in Kuala Lumpur, Malaysia, 30 September 2022. The “Ekspo Kucing”, described as Malaysia's Largest Cat Expo runs from 30 September to 02 October 2022 at the Matrade Exhibition and Convention Centre (MECC) in Kuala Lumpur and “will also feature other variety of pets such as rabbits, hamsters, guinea pigs, reptiles and exotic animals”, the MECC said on its website, along with other highlight events such as a Federation Internationale Feline (FIFe) Cat Competition, Cat Adoptions or a “Sugar Glinder Contest”. (Photo by Fazry Ismail/EPA/EFE/Rex Features/Shutterstock)

The electronically animated giant baby Miguelin (created by Isabel Coixet in collaboration with the special effects team behind Alien vs. Predator) was seen in the Spanish Pavilion at the site of Shanghai 2010 World Expo on April 27, 2010 in Shanghai, China. (Photo by China Photos)

An AH-64D Apache attack helicopter flies in front of a wall of fire during the South Carolina National Guard Air and Ground Expo at McEntire Joint National Guard Base, South Carolina, U.S. on May 6, 2017. (Photo by Jorge Intriago/Reuters/Courtesy Air National Guard)

HRP-4C, a five-foot humanoid robot developed at Japan's National Institute of Advanced Industrial Science and Technology, sings and dances with performers at the Digital Contents Expo in Tokyo on October 17, 2010. The robot runs entertainment software called Choreonoid, a name formed from the words “choreograph” and “humanoid”. (Yoshikazu Tsuno/AFP)

Joshua Patino stands on a ladder to put finishing touches on a giant dinosaur exhibit at PAX East in the Boston Convention and Expo Center, Thursday, April 21, 2016, in Boston. PAX East, an annual celebration of gaming culture, is expected to draw tens of thousands of visitors Friday through Sunday. It's a place where serious gamers can preview unreleased video games and devices, compete in tournaments, hear live music and meet others for whom gaming is a way of life. (Photo by Elise Amendola/AP Photo)