Pacenotes are a unique and major tool in modern rallying. Television spectators will occasionally notice the voice of a co-driver in mid-race reading the pacenotes over the car's internal intercom. These pacenotes provide a detailed description of the course and allow the driver to predict conditions ahead and prepare for various course conditions such as turns and jumps.
When the Porsche 959 arrived at 195mph in 1986, it was by far the most technically advanced, the fastest and most capable hypercar ever conceived. So try and get your head around this: it was originally designed as a Group B rally car, with the road cars only being necessary for homologation purposes. That’s like a McLaren P1 or 918 Spyder taking on the 1000 Lakes… Absolute madness.
Most of the works drivers of the 1950s were amateurs, paid little or nothing, reimbursed their expenses and given bonuses for winning (although there were certainly exceptions, such as the Grand Prix drivers who were brought in for some events). Then in 1960 came arguably the first rallying superstar (and one of the first to be paid to rally full-time), Sweden's Erik Carlsson, driving for Saab.