The document lists various technologies and their functions including televisions, radios, computers, phones, CD players, mice, mousepads, screens, keyboards, printers, flash drives, scanners, speakers, webcams and how they connect to the internet, save files, turn on/off, surf the web, listen to music, type, and click. It also describes technologies as portable, flexible, interactive, eco-friendly, electronic, mechanical, digital, rechargeable, manual, and automatic. The author is named as Marga Renedo Gómez.