When is the best time of day to share that hilarious video to your Facebook friends, or retweet an inspiring article for your followers? Every social outlet has its own sharing ecosystem. Here's what works for high-impact shares.
For making the most of its hosts. By this summer, Airbnb will usurp the InterContinental Hotels Group and Hilton Worldwide as the world's largest hotel chain--without owning a single hotel. The startup, which allows users to rent out their spare rooms or vacant homes to strangers, surpassed 10 million stays on its platform last year, doubled its listings to 550,000 (in 192 countries), and, according to a source familiar with the company's business, tripled revenue to an estimated $250 million.