SharePoint 2013 is now a hot product from Microsoft with new UI and completely new features, we should learn them to keep ourselves up to date. Below are the links for documents and eBooks to know more about them.
- All presentations
- IT Pro Video links
- eDiscovery Planning
- Deployment guide for SharePoint 2013
- Mobile Architecture for SharePoint 2013
- Upgrade Worksheet for SharePoint 2013 Preview
For all content on SharePoint 2013 in MSDN site found here.
You can see the complete details on all kind of downloads related to SharePoint 2013 here.