How might we measure the success criterea of a music promo video?

Today in class we discussed possibilities of success, these include:

• Word of mouth
• Number of hits on youtube
• Sales figures
• How memorable and discussed a video is
• Media coverage
• Video views
• VMA awards
• Influence on other music videos
• Newspaper articles/TV reports
• Amount of publicity
• Downloads (Legal/Illegal)
• Charts
• Last word
• Massive switch in importance of youtube from TV channels. e.g MTV
• Viewing mainly online. e.g. Youtube