““Mainstreamers are interested in getting the job done now; experts are interested in customizing their settings first. • Mainstreamers value ease of control; experts value precision of control. • Mainstreamers want reliable results; experts want perfect results. • Mainstreamers are afraid of breaking something; experts want to take things apart to see how they work. • Mainstreamers want a good match; experts want an exact match. • Mainstreamers want examples and stories; experts want principles.””