Janice giggled and said, “Yeah, show me the boomerang!” Boomerang threw a triangle-shaped ’rang. “Very well. Let me give you Boomerang 101. Boomerangs are based on two laws of physics — aerodynamic lift and gyroscopic precession, or spin. But you can get too technical and miss out on the most important goal.” At that moment, the boomerang returned to him and he caught it between his hands — CLAP! “Making sure the ’rang comes back.” Janice thought, Kind of like loyal customers — you can get lost in processes and programs. The most important thing is that they come back. Boomerang continued, “There are many different kinds of ’rangs — traditional, some with three blades, four blades, left- handed, right-handed — ” Bill interrupted, “I thought they were all the same. What would a left-handed boomerang feel like?”