This article will briefly go over the details on how to capture wifi traffic from your mobile devices. This includes capturing traffic on iPads, iPhones, BlackBerries, Android devices and pretty much any device that supports the ability to add a proxy to the wifi settings.
BuiltWith is a “website profiler, lead generation, competitive analysis and business intelligence tool providing technology adoption and usage analytics for the internet.”
BuiltWith is a very useful tool for finding out what services and technologies are being used on any given website. The tool has a Firefox and Chrome extension available which makes it a lot more accessible for the geeky type.