 Complete the following phrase:  The season saw three significant innovations. The first was the arrival of unrestricted sponsorship, which the FIA decided to permit that year after the withdrawal of support from automobile related firms like BP, Shell and Firestone. Team Gunston, a South African privateer team, was the first Formula One team to paint their cars in the livery of their sponsors when they entered a private Brabham for John Love, painted in the colours of Gunston cigarettes, in the 1968 South African Grand Prix. In the next round at the 1968 Spanish Grand Prix, Lotus became the first works team to follow this example, with Graham Hills Lotus 49B entered in the Red, Gold and White colors of Imperial Tobaccos Gold Leaf brand. The second innovation was the introduction of wings as seen previously on various cars including the Chaparral 2F sports car. Colin Chapman introduced modest front wings and a spoiler on Graham Hills Lotus 49B at the 