Start up for Hybris???

Hello Experts,

I want to learn SAP Hybris technology, but i didnt get much material on Hybris.I have few sets of question,

1.Currently i am working on SAP CRM, so what kind of technology do i need to adopt to learn Hybris?

2.Will Hybris take over WCM??

3.Please provide me any link on Hybris training Tutorial or if you have any documents that will be very helpful for me.

BR,

Nikhil Haldankar