As I grow older, smoking in public isn’t cool any more. I began to vape not just because it does less harm to my physical health than smoking does, but also that its aroma is less likely to annoy others. The non-smokers, however, have generally formed a stereotype that vapor equals smoke. Some vape devices also generate huge amounts of vapor. Therefore, stealth vaping is a more considerate step to take in public, especially when you do…