Mayer said Yahoo! is focused on mobile and is guided by the amount of time people spend on their handheld devices.
"Weather, mail, finance, news, mobile puts them in your pocket and makes them a daily habit. We acquired Aviate because we believe home screens should be smarter and more personalised," she added.
It is Yahoo!'s first acquisition this year. The company bought about 28 start-ups in 2013, including the USD 1.1 billion purchase of photo blogging site Tumblr.
Since Mayer joined the firm in 2012, Yahoo! has acquired over 30 start-ups.
Yahoo! plans to make Aviate technology a central part of its Android-based experiences and will continue to develop the product, the California-based firm said. The company also announced its new, unified suite of digital advertising products for premium and audience-focused display, native and search advertising, which are accessible through a new buying platform.
The 2014 International CES has opened with participation from over 3,200 exhibitors, including top technology firms.
Product announcements have been made by companies such as Samsung, LG, Panasonic, Sony, Audi, Toyota, Ford, Intel, Huawei, Sharp and Audi.
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