If you're a professional speaker, who is your customer?

Public Speaking Advice and Commentary

  But over the long term, a professional speaker has to take care of at least one other 'audience' just as carefully:  the meeting planners that hire her.    Your customers are indeed the meeting planners, and you'd better treat them well.    And yet the speaker behaved badly from start to finish, making unreasonable demands of the meeting planners and complaining about everything. 

Designing Choreographies for the New Economy of Attention

http://delicious.com/akarrer/prospeaker

Human attention-structures work differently from goods and services and will require a new kind of economics and a new kind of economist. The economists have not realized this yet, but then neither have the rest of us.