Trick Zinio.com into thinking your Firefox or Safari browser is an iPhone and get free digital magazines including: Macworld, Digital Photography, PC Magazine, Penthouse, Playboy, Men's Health etc...
The content is provided in full screen in your browser and you can flip through the pages with a click.
Firefox User agent: https://addons.mozilla.org/en-US/firefox/addon/59
Install and configure with the following.
User Agent Field:
Mozilla/5.0 (iPhone; U; CPU like Mac OS X; en) AppleWebKit/420.1 (KHTML, like Gecko) Version/3.0 Mobile/4A102 Safari/419 (United States)
Switch to that User Agent:
Firefox: Tools, User Agent Switcher, iPhone
Zinio iPhone Newsreader