The Steelers and Packers are almost identical when it comes to current franchise value, total revenues, gate receipts and sponsorships.

FORBES: Super Bowl Financial Face-Off: Steelers Vs. Packers

The new stations, including Camden Town, Clapham Common Notting Hill Gate and Russell Square, bring the total number of WiFi enabled stations to 92 with a further 28 stations due to come online in early 20131.

ENGADGET: PSA: Virgin Media extends London Underground WiFi again, aims for 120 stations by early 2013

Event brand values equal the total revenues (media rights, sponsorships, licensing fees, gate receipts) generated by the event, divided by the number of days the event takes place.

FORBES: The Forbes Fab 40: The World's Most Valuable Sports Brands