[ExI] chain rule

BillK pharos at gmail.com
Fri May 20 19:02:07 UTC 2016

On 20 May 2016 at 19:25, spike  wrote:
<big snip>
> Conclusion: Sal Khan has offered a free ticket out of the poverty trap, for
> anyone who will stretch out and grab it, with intentional emphasis on
> “stretch out” because a free education with credentials does not mean
> credentials will be handed to you like the scarecrow from the Wizard of Oz.
> It still takes a lot of work.
> BillW, ponder this please sir, for you are perhaps the most qualified person
> here on this topic, being an educator yourself.  We value your opinion, and
> your own grandson values your opinion on this, and your thoughts and
> speculations on where this leads.

Spike, I appreciate your enthusiasm for educating your son and applaud it.
(So please don't take my comments as criticism).

The Sal Khan Academy is one extreme.
Looking at education from the opposite extreme, I have read articles
worrying about smartphones causing the dumbing-down of the population.
With a smartphone, nobody needs to remember or know much at all.
Google gives you any info you need. Apps do calculating for you, give
directions, organise schedules, buy stuff, etc.
That's why the younger generation are addicted to gossiping on their
There's not much else left for them to do.


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