MakeUseOf Answers is a Q&A forum. Our community solves your questions about anything related to the Internet and computers. It's free. Ask A QuestionQuestions tagged "technology explained" All questions Resolved Unresolved What features distinguish 3G , 4G and Wi-Fi data connections from each other? Can I upgrade an Intel Core 2 Duo laptop to Windows 8.1? Which phone – Nokia Lumia 1520, Samsung Galaxy S5 or Apple iPhone 5s – would you buy? Does a USB2.0 hub need drivers?