the KEY to lifelong learning in the GAFA century

We lament the dearth of good teachers. But that problem would probably recede because the best will naturally rise to the top as subject matter experts (SME) who’d develop the best YouTube educational videos and/or lectures/podcasts in iTunes University.   
All students will be the beneficiary of the best designed and most pedagogically effective YouTube educational videos and iTunes U lectures/podcasts–and you don’t have to count the benefits on your fingers to realize that this educational alternative beats the high cost of going to sit and participate in a school classroom.  
Not only that, one could replay a YouTube video or listen to an iTunes U lecture/podcast any number of times until one absorbs the underlying concept–an option that would be severely limited in a classroom setting.

Time will be when the snippets of educational videos in YouTube, such as the 95-second episode above, and the profound lectures and podcasts elsewhere...

1- KHAN ACADEMY
A free world-class education for anyone anywhere.

Khan Academy is an organization on a mission. We're a not-for-profit with the goal of changing education for the better by providing a free world-class education for anyone anywhere.

All of the site's resources are available to anyone. It doesn't matter if you are a student, teacher, home-schooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get a leg up in earthly biology. Khan Academy's materials and resources are available to you completely free of charge.

2- TEDTalks
Michael Stevens: How much does a video weigh?

3- Vsauce Channels

The main Vsauce channel depicts founder Michael Stevens discussing an array of topics and questions, such as "Why do we dream?", "What if everyone jumped at once?

4- Head Squeeze 

At Head Squeeze, James May and his crack team of sci-geeks, maths-nerds and tech-heads provide answers to all your burning questions. From everyday curiosities to the latest mind blowing discoveries; our experts break it down for you and give their own left-field insights, sideways interpretations and bizarre, entertaining facts.

Head Squeeze is packed full of the latest and current developments in the world of science, technology, and maths. This channel is for anyone who wants to find out how the modern world works. Prepare to have your head squozen!

And so on, and on.

Listen to these videos form two classics on youtube

Why do we have accents?   

James May's Q&A (Ep 31)    Duration:   05:29

http://www.youtube.com/watch? v=KVy5aO2DHmI

Michael Stevens from Vsauce    (more technical)

How Much Does a Shadow Weigh?   Duration:   07:39

http://www.youtube.com/watch?v=Do1lm9IevYE 

Where can you find CONTENT in the net?

The net is a new paradise, or Hell. Important enough

 to be one of the four horsemen of “GAFA” – 

the popular acronym for the four giants of the internet – 

Google, Amazon, Facebook and Apple