The evolution of sex technology from stone dildos to artificial intelligence. The history of sex toys is very interesting. In 2005, a 28,000-year-old mudstone dildo was discovered in Germany. Luxurious bronze dildos with a history of at least 2000 years were also discovered in China. How does the demand increase? At first glance, therefore, you might think that the COVID pandemic has actually brought everyone to a climax. Sex elves tell us that sex is a part of our lives, an impulse we cannot encourage or suppress. At this point, the increase in WM doll purchases during the pandemic is completely normal.