A man walkes into a store and he saw a thermos. The clerk walks up to him and asks, 'May I help you with anything?' 'Yea! What is that?' 'Why that's a thermos!' 'What's it do?' 'It keeps things hot and it keeps things cold!' 'I'll take it' The next day the man goes to work carrying this thermos. his co-workers ask him 'What's that!' 'It's a thermos' 'What's it do?' 'It keeps things hot and it keeps things cold!' 'So whatcha got in it?' 'Two popsicles and a cup of coffee.'