You might believe you have ideas, but the reality is that ideas have you. This is the nature of memes, as Richard Dawkins described in his explanation of how ideas spread. Ideas jump from person to person, like viruses. Sometimes, an idea can capture us, especially when it offers an attractive shortcut or when it taps into our fears. The following viruses infect sales leaders and sales managers, becoming their unseen puppet masters and making it harder for them and their teams to succeed.