Millennials are notorious for seeking instant gratification. Might this mean that they would be more likely to opt for one of the faster shipping methods? When I looked at the data comparing millennials to non-millennials, I didn't find substantial differences.
I recently had a friend say to me (jokingly of course), "I wish my health insurance covered retail therapy." In fact a new study out by TNS Global found that half of all Americans have admitted to engaging in one form or another of retail therapy.
Every start-up has the same marketing challenge. Finding customers. God knows why the failure rate is an abysmal 90 percent for startups. Here is my truncated "30K foot" perspective based on years of work with startups.