The World In Links [7/11-7/17] - CSS, iPhone, JSON, WordPress

The World In Links by Nicholas Kreidberg CSS: An introduction to CSSLint.

Design: Beautiful and creative invitation card ideas.

EMail: Newsletters actually worth subscribing to.

Hotkeys: Obscure and valuable keyboard shortcuts [win/mac].

iPhone: 20 useful apps for developers and designers.

jQuery: Two great plugins for image sliding and modal windows, Orbit and Reveal.

JSON: A very handy tool for viewing/mapping data coming back from JSON requests.

WordPress: The most downloaded plugins of all time.