Paul learned about the tangerine technique from someone, but I forgot who specifically. Perhaps the moderator knows. If I can find the info, I'll let you know.
With regards to John Grinder, I don't think it really matters whether his comments add or detract from the photoreading process. There are plenty of other positive reviews by names like Tony Robbins, Paul Mckenna, Eric Jensen, Sheila Ostrander and several other accelerated learning authors. But it is strange how his review was placed on there even though he didn't write it.
The book is now it it's 3rd edition so it has been updated, and last I heard, it's in the process of being updated.
I know there is a study done by a representative from NASA who claimed it's not that much better than regular reading
As for the last question, I suppose Paul and Pete are busy with other things.
