Why did they removed all the documentation for the widget?

#1

why did they removed all the documentation for the widget? is not any more on the twitter for websites section.
and the alternatives are not that good.

#2

The widgets are still available at https://twitter.com/about/resources/widgets

#3

Sure, but is there any way to use a callback in the start() method ? Should we really have to reverse engineer those javascripts ?

#4