Advertising on mobile: it's all about 'stopping the thumb'

Digital geek couple. Mobile phone, smartwatch. Modern white apartment

NEW YORK: Almost 80 years old, the deodorant Old Spice is learning new tricks for finding customers in the era of smartphones and social media. 

The Procter & Gamble product, having spoofed itself for years with advice on how to become more "mantastic," posts to its 2.6 million Facebook followers a steady stream of videogames, prize entries, and advertisements as short as two seconds.