What is difference between Adidas and Nike‘s positioning?

Please watch this video: https://www.viddler.com/embed/46b26d60

Please answer the following questions:

1. What is the positioning of Adidas brand?
2. What are the ‘three stripes’ represent to the consumer?
3. What is difference between Adidas and Nike‘s positioning? Who do you think is the customer for each brand and why?

Explain your arguments/answers. You may also include an example to demonstrate your arguments.