If you need free wifi, this app can help. But free wifi ain't all it's cracked up to be. Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His ...

"Do you have free Wi-Fi?" is a question that business professionals weren't asking a few years back. Nowadays, however, it's so commonplace that the term "Wi-Fi" is virtually universal -- and also ...