I don't believe that YouTube account is authorized, but that video can many more cool ones can be found on David's
new website / microsite.
With regard to Dodd's question, David has a long history of Guinness records - only a few of which Guinness lists on their site (which appears to be pretty lame and outdated). David has about
11 records historically:
1. Largest private collection of magic artifacts
2. Most tickets sold worldwide by a solo entertainer
3. Highest career earnings as a magician
4. Highest Broadway gross in a week
5. Largest Broadway attendance in a week
6. Largest international television audience for a magician
7. Most magic shows performed in a year
8. Most valuable magic poster
9. Largest work archive for a magician
10. Highest annual earnings for a magician
11. Largest illusion ever staged