Digital

https://en.wikipedia.org/wiki/Digital_library

Org
http://digitallibrarian.org/
http://www.ulib.org/
https://www.wdl.org/

Blog
http://uhdigitallibrary.blogspot.in/

Tube / Slides
https://www.youtube.com/results?search_query=Digital+library
https://www.slideshare.net/search/slideshow?searchfrom=header&q=Digital+library