My 102-year-old grandmother tries social media: 'Is this what they do all day?'

I interviewed my grandmother to get a century of perspective on technology, from the cellphone she uses 'only for emergencies' to Twitter and Snapchat

About 20 years ago, a woman named Rose Wong moved to a small town in the heart of Silicon Valley and purchased her first computer.

"I had no idea how to use it. I taught myself," she recalled this week.