This is an excerpt from the article on the SmallBizResource (SBR) website.
I was wary about using hotspots but this guide helped me understand the basics.
"You have to leave the office, but you're waiting for a crucial and time-sensitive email from a client. You could wait a few hours until you return to get your email, or you could drop into a coffee shop, enjoy a cuppa joe and check your messages from the road.
If you're not already a hotspot user, this guide will show you how to start reaping the benefits of the abundant wireless opportunities that exist in more and more public places every day." Link