What is the best office equipment to have?

Height-adjustable electric deskApple macbook with external 4k display: DELL U2718Q 27" 4KAn ergonomic chairMS sculpt ergonomic keyboard: MS Sculpt Ergonomic KeyboardApple trackpad: Apple Magic Trackpad 2Lamp with changeable color temperature: LED Lamp with USB ChargingCheck this out: must have home office:https://zenworkpro.com/2018/11/1...

Who invented the paper clip?

Norwegian inventor Johan Vaaler, in 1899.Source: http://inventors.about.com/libra...