Canadian carrier Rogers has extended a number of key iPhone 3GS promotions -- originally set to expire today -- until September 15th, both under its own branding and that of Fido. A $500 subsidy is available to people who bought an iPhone 3G between July 11th and September 30th of last year, and also spend at least $100 per month. Eligible shoppers are penalized with a one-year contract extensio
