11.   To combat the sale of counterfeit items at the Olympics, the Sydney Olympics organizing committee is using ink containing DNA to mark official merchandise.

12.   When the tournament begins, fans can capture their own view via three robotic cameras, download real-time match scores, chat with players and purchase official merchandise.

13.   For one thing, big companies such as T-shirt maker Hanes have paid games organizers enormous amounts for exclusive rights to produce official Olympic merchandise.

14.   In fact, none of the official merchandise is a giveaway.

15.   Selling official Olympic merchandise is big business.