To combat a "drought" of on-track overtaking, several major technical shifts were implemented:
While Vettel ran away with the title, Jenson Button ( McLaren ) finished second in the standings, followed by Vettel’s teammate Mark Webber in third.
The 2011 Canadian Grand Prix is widely cited as one of the sport's greatest ever; Jenson Button won the four-hour, rain-interrupted race after charging from the back of the pack on the final lap. Revolutionary Rule Changes