Political Search Trends classifies web search queries according to political leaning and provides insights into partisan views on diverse topics.

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InStore by Yahoo! Labs is an experiment in comparison shopping on a mobile device. With it you can compare product prices, ratings, and reviews by scanning barcodes or searching for products, and then create your own shopping list, all on your Android phone.

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4Cast is a game of friendly competition where players cast their predictions on topics that interest them the most — whether it’s sports, finance, entertainment, or the weather.

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Yahoo! Quest makes Q&A search more intuitive.

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Predictalot lets you explore hundreds of millions of predictions, get the odds, invest your points, and challenge your friends. Sell any time, even mid-game.

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Shambling Hordes - who is the best zombie leader?

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Motif is a retrieval system that attempts to answer a search query based on knowing the context of the search.

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TagExplorer dynamically generates tag clouds for a given query and groups the words together that have similar meanings – making tag clouds more functional.

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Correlator extracts and organizes information from text, and searches for related names, concepts, places, and events to your query.

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Zync™ is a plug-in for Yahoo! Messenger for Windows that allows you to watch videos together with your messenger buddies at the same time, and in real-time.

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