Some days ago (I lost track with all the travelling and time differences) I gave the first talk at Yahoo7’s Open Sessions in their ludicrously beautiful offices in Sydney, Australia.

• You can also download the slides PDF if you don’t want to sign up for SlideShare

In order of appearance I talked about:

• The Yahoo Design Patterns
• The design pattern stencils
• Graded Browser support
• The Yahoo User Interface library
• The YUI CSS grids builder
• YUI widgets
• Information how to skin YUI widgets
• How to extend YUI widgets by subscribing to custom events
• Progressive Enhancement with Autocomplete
• Progressive Enhancement with Data Table
• Yahoo’s exceptional performance information
• YSlow
• Yahoo BOSS and examples I built with it like Keywordfinder and Unsafe Search
• Yahoo! Pipes
• YQL and how to use it to retrieve creative commons licensed photos of Sydney.
• YQL open data tables and how to use them