FACADE Pattern

Bellow the good link to learn FACADE pattern, just give yourself 15 minutes:

http://en.wikipedia.org/wiki/Facade_pattern

Sharepoint 2013 - All Thing You Need

Download SharePoint 2013

http://technet.microsoft.com/en-US/evalcenter/hh973397.aspx?wt.mc_id=TEC_121_1_4

Download SharePoint Foundation 2013 Preview

http://www.microsoft.com/en-us/download/details.aspx?id=30345

Download Language Packs for SharePoint Foundation 2013

http://www.microsoft.com/en-us/download/details.aspx?id=30343

Language Packs for SharePoint Server 2013 Preview

http://www.microsoft.com/en-us/download/details.aspx?id=30347

SharePoint 15 Technical Preview Interoperability API Documentation

http://www.microsoft.com/download/en/details.aspx?id=28768

Downloadable eBook: Deployment guide for SharePoint 2013 Preview

http://www.microsoft.com/en-us/download/details.aspx?id=30384

SharePoint Designer 2013

http://www.microsoft.com/en-us/download/details.aspx?id=30346

Best way to download from Youtube

You can download the videos from Youtube site by add on the URL prefix ss and Enter, for example:

The original URL: https://www.youtube.com/watch?v=IcObgdidsQA

The updated URL: http://ssyoutube.com/watch?v=IcObgdidsQA

:)