"New" and "Improved" have been staple marketing adjectives for more than a century. How else would new products get sold if consumers didn't believe the latest version would make them happier, healthier or sexier?
Take all marketing claims with a sizable grain of salt. They are intended to seduce you into opening your wallet.
Take all marketing claims with a sizable grain of salt. They are intended to seduce you into opening your wallet.

