Difference between r1.12 and the current

[http://www.amazon.com/gp/product/B005XE2CAO/ref=kinw_myk_ro_title HTML5 for Publishers], Amazon Kindle
[http://www.amazon.com/What-Is-HTML5-ebook/dp/B005ISQ7JM/ref=sr_1_1?ie=UTF8&qid=1334558696&sr=8-1 What is HTML5] at Amazon, or [http://radar.oreilly.com/2011/07/what-is-html5.html What is HTML5?] at O'Reilly.
[http://radar.oreilly.com/2011/12/html5-for-publishers-canvas-geo-formats.html A sensible look at HTML5 and publishing] at O'Reilly.

[http://www.w3schools.com/html5/html5_canvas.asp Canvas]
[http://dev.w3.org/geo/api/spec-source.html geolocation]