Let's say you're travelling with your iPhone, and a MacBook or Wi-Fi-only iPad, and want to do some work.
Should I create a Wi-Fi hotspot with my iPhone? Have you ever wished you could share your iPhone's 3G/4G cellular connection with Wi-Fi-only devices nearby, such as laptops and non-cellular iPads? You're in luck: it's easy to set up an iPhone as a portable Wi-Fi hotspot, opening up its web connection to anyone who is close enough and has the password.
