Texting with one finger - and 20 other habits that prove you're a boomer. The way we use - or fail to use - our tech is a sure-fire indicator of the generations. Smartphone-savvy millenial Jack Rear (b 1993) explains

The way we think about getting older has changed over the past few decades. New descriptors such as 'midlife' and 'young adult', as well as the increased prominence of strict [...]