The document discusses how browsers can function as a platform for applications. It notes browsers are easy to deploy, have simple UI programming using HTML, and support concise HTML, HTML5 features, openness through JavaScript, fast JavaScript engines, web workers, and desktop integration. These factors make browsers a useful platform compared to traditional desktop applications which can have complex interfaces and installation processes.

1. Browser as a Platform Kai Feng Zhang

2. Why as Platform Easy to deployment Simple UI programming Concise HTML HTML 5 Push Openness JavaScript Engine Thread Support Desktop Integration

3. Easy to deployment Zero-install User trust Less puzzled Easy-to-use

4. Simple Web UI Hard-to-implement Overlapping windows Complex dialog Deep tree menu etc... For customers, get easily and no training

5. Concise HTML Simple to modify, forge, and embed video Even debug outside of dev environment Flat learning curve comply with Postel's law Be conservative in what you do; be liberal in what you accept from others.

6. HTML 5 Descriptive Markup: <header>, <nav>, <article>, <footer> Web Forms 2.0 New API, such as for <audio>, <video> <canvas> etc...

7. Openness

8. Faster Javascript Engins

9. Web Workers

10. Desktop Integration

11. Thanks

12. S upplementary

13. Mobile Platform & Browser Google Android Opera Mini Apple Safari Nokia MS Internet Explorer Mozilla Fennec