By Tom Bemis The Tesla CEO tells shareholders the move may not be “economically sensible” but is a cool idea anyway. Tesla (TSLA) – Get Tesla Inc. Report CEO Elon Musk says the company is about to embark on an experiment to seize an untapped opportunity, even though it may not make much business sense. Musk made the comments during an extensive question and answer session at Tesla’s annual meeting in Austin on Aug. 4. The sometimes rowdy audience cheered many of Musk’s announcements and answers, prompting the CEO to say at one point, “This is the best crowd.” Musk covered a wide variety of top…