Marissa Mayer has been working diligently to revive the fortunes of Web firm Yahoo since taking the reins back in July 2012, though the enormity of the task means the challenge is far from over.

Perplexity made major strides this week -- launching its browser app Comet for iOS with Google as the default search engine, and medical and health search features that will gain support and feedback ...

Google is apparently paying Apple, by way of a revenue sharing agreement, a significant amount of money to remain the default search engine for the iPhone. The terms mean that in 2014, Apple received ...

Google is being forced to cap all default search and AI app deals at one year. This will end the long-term agreements (think: Apple, Samsung) that helped secure its default status on billions of ...