Marco Tempest: The magic of truth and lies (and iPods)

What is the application mentioned by the speaker that is useful for multimedia artists?

Who is one of the favorite magicians mentioned by the speaker, and what was his notable trick?

What is the significance of the quote 'Magic is the only honest profession' in the context of the talk?

According to the speaker, what role does deception play in life?

What does the speaker mean by 'self-deception'?

How does the speaker relate optimism to self-deception?

What did the speaker say about the relationship between art and deception?