Yahoo is pushing ahead with its transformation into an internet age media company, bringing in news, music and television stars for the launch of online magazines about technology and food.
The fresh online offerings were showcased by Yahoo chief executive Marissa Mayer during a Consumer Electronics Show (CES) keynote presentation.
"We have been … re-imagining Yahoo's core businesses across search, communications, media and video - all powered by two powerful platforms, Flickr and Tumblr," Mayer said.
Late last year, Yahoo had more than 400 million mobile monthly users for the first time, according to Mayer. About 800 million people use Yahoo monthly overall.
The theatrical keynote production included appearances by newly-hired Yahoo global anchor Katie Couric and Yahoo tech vice-president David Pogue, a former New York Times reporter.
Cecily Strong and Keenan Thompson of US comedy programme Saturday Night Live appeared in a skit lampooning trendy technology companies and concepts. Targets included SnapChat and bitcoin.
Announcements woven into the stage show included the launches of a Yahoo News digest app design to deliver concise, personalised summaries of global happenings twice daily to smartphones.
Digital magazines Yahoo Food and Yahoo Tech were launched with fanfare.
"We found our inspiration in magazines," Mayer said. "They are elegant, beautiful and have a distinctive voice."