Established firms try dancing to a millennial tune

OLDER people are not the only ones to try too hard to be hip and youthful. Long-established firms can, too. Just look at Procter & Gamble (P&G), one of the world's largest consumer-goods firms, which this year applied to America's federal patent office to trademark LOL, NBD, WTF and FML, abbreviations commonly used in text messages and social media. If it succeeds, the 181-year-old firm plans to use the phrases to market soap, cleaners and air fresheners to young buyers. Its move is the intellec...