Sometimes it can be hard to find Internet access when you're on the road, but it's not like you can turn your car into a mobile WiFi hotspot; or can you? Today all car manufacturers like General Motors and Audi are making their new vehicles WiFi capable. Chances are good that those involved in creating the Internet in the late 1960s never fully realized what an impact this technology would have on society. Nowadays, it's hard to ever imagine the world without the Internet. And with the boom of personal computer devices -- including laptops, tablets and cell phones -- pretty much everyone you pass either Internet access in their pocket or is looking for free WiFi wherever they go. However, there are some gadgets out there that can easily make used cars a WiFi hotspot as well. Here's a look at a few of them.