Looking for iPad’s User Agent String? It’s here:
Mozilla/5.0(iPad; U; CPU iPhone OS 3_2 like Mac OS X; en-us) AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4 Mobile/7B314 Safari/531.21.10
To change Your browsers “Agent String”, You can use User Agent Switcher Extension For Firefox or “Other…” from Safari’s Developer menu.
Mozilla Labs Collected most used Open Web Tools in one place on tools.mozilla.com, There you can find Tools for Develop, Design, Debug, Deploy and documenting.
Modernizr is a new simple JavaScript library with that you can detects various CSS3 and HTML5 features.
Modernizr uses feature detection to test the current browser against upcoming features like rgba(), border-radius, CSS Transitions and many more. These are currently being implemented across browsers and with Modernizr you can start using them right now, with an easy way to control the fallbacks for browsers that don’t yet support them.
Today, when I’m reading about improvements on Gmail Labels. I realized that there is a basic thing that most of developers makes light of on it. An it’s monitoring Users Actions and creating statistics.
Why Google is improving labels? On official Google Blog they say that only 29% of Gmail users are using Labels on their Inboxes. Can you believe that? Only 29% of Gmail Users are using that great thing called “Labels”. If number is low then something is wrong! Let’s investigate it, and find why peoples are not using this, may be they don’t know how to use it? or may be it’s hidden somewhere and not easy to use it.
Monitor your users, and make different statistics about them,First because it’s funny and second when you make some fun you can find amazing things about your application.
Google Announced AdSense for Mobile Applications (currently in beta). Which means you can use your adsense account to monetize your iPhone and Android applications.
Last month Funky Space Monkey answered to developers question; “How Much Money A Free iPhone App Developer Can Make?“. According to this answer it seems that Adsense is another good opportunity to make money from your free apps

JavaScript library (small) created by David King and called dlink that styles your links to let the user know if the link is internal, external, a subdomain, an anchor on the same page, or an email link.

iPhone Mockup Toolkit for Adobe Fireworks presented by Metaspark, creators of Notespark is available for download.
Mockup file has all required UI elements generally used on iPhone Applications, such as Lists, Buttons, Navigation Bars, Alerts and etc. Toolkit is available both for Fireworks CS3 and Fireworks CS4.
Article on extending css spriting, and a cross-browser technique that uses divs, anchors, and clipping to get the same effect as background image clipping. Why?