Mark Weakland 
How Does Wi-Fi Work? [EPUB ebook] 

You probably use Wi-Fi all the time to connect to the internet through your laptop, tablet or phone. It’s easy. Wi-Fi hotspots surround you as you go through your day – from school to a pizza place or coffee shop and then back home. Not so long ago, the internet wasn’t as accessible. Find out how Wi-Fi works, how it became commonplace and what it might do for you in the future.