Yahoo to Become Apple's Default Search Engine?

According to the latest rumors, Yahoo is planning to become Apple's default search engine. The company is already working on two internal projects aimed at improving the search and monetization capabilities. Moreover, Yahoo CEO Marissa Mayer is now preparing a presentation about the new product capabilities. This presentation should convince Apple executives that Yahoo services are what they actually need.

As noted by MacRumors,

Yahoo is working on two internal projects to optimize its mobile search and monetization in order to convince Apple to make Yahoo the default search engine on iOS reports Re/code.

Do you think Apple will make Yahoo a default search engine for iPhone and iPad? And one more question: what search engine do you prefer to use? Leave your comments below.