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Mayer at Yahoo, 1-year in

Yahoo CEO Marissa Mayer has repeatedly stressed that mobility is vital to the company’s future. That importance shows in Yahoo’s acquisitions over the past year.

Here's a look at some of the biggest moves Mayer has made since taking lead of the Web giant one year ago.

Caption:Photo:James Martin/CNET
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Wall Street likes what it's seeing

As we all know, Wall Street is fickle. But so far, so good: a look at Yahoo's one-year stock chart shows the market's positive assessment of Mayer's leadership to date.

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Stamped recommendations

Last October, Yahoo acquired Stamped, the first acquisition of the Mayer regime. The recommendation engine built by former Googlers launched as a smartphone app in November 2011, letting users recommend books, movies, restaurants, and other things to friends.

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Video-chat startup OnTheAir

Video-chat startup OnTheAir was the second mobile acquisition made by Mayer, who says that eventually she hopes half of Yahoo's staff will be working on mobile products.

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Alike recommendations

In February, Yahoo made another mobile move when it acquired Propeld, maker of the Alike location-based app which let users recommend bars, restaurants, and shops that are considered favorites and are nearby or similar to other venues.

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Yahoo announced its purchase of GoPollGo in May. The GoPollGo app let users send a poll to Twitter or Facebook from their iPhone and get real-time feedback. The service has since been shut down.

Updated:Caption:Photo:Jason Cipriani/CNET
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$1.1 billion for Tumblr

In May, Yahoo made its flashiest purchase to date under Mayer's guidance, buying Tumblr for $1.1 billion.

Promising "not to screw it up," the companies said Tumblr would remain a separate entity with the same "irreverence, wit, and commitment to empower creators." Founder David Karp stayed on in his role as CEO of Tumblr.

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Pinterest clone helped people collect and share content they are interested in, including articles, images, and videos. The Pinterest-like service catered to subject-matter experts who wanted to add their own commentary to digital content. Yahoo shuttered the company after acquiring it in January.
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Jybe social recommendations

In March, Yahoo announced the acquisition of Jybe, an iOS app that recommended books, movies, and restaurants based on user preferences stated on social-networking sites. As part of the acquisition, the Jybe service and app were shut down.

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Yahoo made news in March when it reportedly paid $30 million for Summly, an app that identified relevant information in news articles and turned them into tidy little paragraphs for the iPhone.

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In May, Yahoo bought travel startup MileWise, which promised to help you "Travel like a genius." The service enabled users to figure out travel rewards programs, searching for flights in frequent flyer miles and hotels in credit card points. It has since been shut down.

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Astrid to-do list

In May, Yahoo announced it would be purchasing to-do-list app Astrid.

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Xobni smart address book

More recently, Yahoo acquired Xobni, a self-described "smart address book" with products for Microsoft Outlook and Gmail. The idea behind Xobni is to organize data -- email, text message, and phone call contacts -- so that your head doesn't explode from info overload after you log on.

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Loki Studios mobile gaming

With an emphasis on talent acquisition, in May, Yahoo aquired Loki Studios, a mobile gaming startup. In a tweet announcing the purchases of Astrid, GoPollGo, MileWise, and Loki Studios, Yahoo specifically mentioned the engineers and entrepreneurs behind the startups, highlighting their talent purchasing, also known as "acqui-hiring."

Updated:Caption:Photo:Loki Studios/Yahoo
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Where to next?

Where will Mayer take Yahoo next? Given the breathless pace of acquisitions in the past year, the company has brought on board a lot of new talent. Now the question is whether the payoff will justify the price in Year 2 -- and beyond.

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