8. UK Payphone
Question: When you're actively using an iPhone, what do you definitely not need?
Answer: A public pay phone.
Going through a little Q&A session like that might've been helpful for the developers of [[xref:http://www.pcworld.com/appguide/app.html?id=111868&expand=false|UK Payphone|UK Payphone]], an iPhone app that lets you search for the nearest pay phone while in the United Kingdom. Now if I could only find a GPS system that would direct me to the nearest cartographer, I'd be set. Next: Drunk Sniper