I actually read the book, which covers all levels.
Most people who get into GTD have problems with the lower levels, thats why so much is written on them. But David Allen does alot to cover the highler spheres too, both in his lectures and his writing.
I actually read the book, which covers all levels. Most people who get into GTD have problems with the lower levels, thats why so much is written on them. But David Allen does alot to cover the highler spheres too, both in his lectures and his writing.