I know several people who bought the Round because it was finally small and light enough for their tiny wrists, and who didn't mind charging for 20 minutes ever

I know several people who bought the Round because it was finally small and light enough for their tiny wrists, and who didn't mind charging for 20 minutes every other day. Straying from the path is a pretty derisive way to characterize expanding a product line, even if the new product isn't for you.