Last post we talked about Agile Clowns multi-tasking and that research has shown that we can't actually multi-task except for repetitive, memorized types of activities. You can't truly multi-task (do 2 or more things at one time) for cognitive activities. Since we can't multi-task, the real issue is context switching. How many projects are you working concurrently? Are you dedicated to one project? Great. Keep it up. Do you have 2 or more projects? 3 or more? Then you're not going to be very efficient.