Today, emoticons - those smiling, frowning, or winking faces comprised of text and punctuation - can be found in everything from emails to text messages. But before their invention 30 years ago, there was no short cut for expressing sentiment in text form. Brooke speaks to computer science professor Scott Fahlman, who came up with the smiling and frowning faces, about how they came to be.

The text message turns two decades old this year, and numerous studies have shown a sharp decline in actual phone use in favor of texting and email. Brooke talks to writer Tom Vanderbilt, who says the phone call’s day may be passing.

JD Samson and MEN - Life's Half Price