Want to go viral like #TheDress? Friday's the day

The global fervor over# TheDress and last week's live llama chase may be down to timing-one digital expert told CNBC that stories, pictures or videos posted on a Friday are most likely to "go viral" on social media. "We actually are able to analyze and determine which days, and time of day, our brands' content can go viral," said Chien-Wen Tong, strategy director at...