https://www.vice.com/en_us/article/xgwd4d/popular-ikea-chair-turns-turns-computer-monitor-off-baffling-everyone

Of the necessary parts that people might need to actually get work done in front of a computer, only a few of them generally don’t need to be plugged into a power source.

One of those is the adjustable office chair, a cloth-or-foam-or-leather object that generally uses a gas-powered lift mechanism.