Marissa Mayer wants to focus on mobile, but Yahoo lacked the technology to make it happen -- until the search/portal acquired Summly. Personalization will continue to play a key role in mobile technologies. And it has the potential to change the search game for Yahoo, according to Nick Roshon. He also analyzes whether this type of technology will kill search engine optimization. Not exactly attribuable to the death of SEO, in my opinion, but it will absolutely change the game. Read the article here.