A key reason why Yahoo's board hired Marissa Mayer as its CEO was her deep-reaching social and professional connections through Silicon Valley. Those connections were on display last night at a dinner hosted by Nirav Tolia,

Restaurateurs who thought getting good recommendations on Yelp was good enough, have a new score to deal with: hygiene data from the health departments. Yelp says the health inspection data will initially be provided in San

Despite Yelp's (YELP) inability to turn a profit since going public in the Spring of 2012, as shown here, some Wall Street analysts and pundits still remain bullish on the stock. Wall Street analysts who