Boost is an abilitiy an employee can unlock through training. The boost gives the employee a massive increase in output of either design, technology or training. The output during a project is determined by the current phase of development.
Words of warningEdit
Use boosts to increase experience for employees or during training.
Any employee with Boost can upgrade their ability with training named Boost
Max. Level 3, which, as the title says, improve multiplier maximal level.
To use a boost you must have at least 500 design or technology.