Yahoo has launched Yahoo Food and Yahoo Tech. “Like your favorite glossy magazine for the digital world, Yahoo Food and Yahoo Tech marry the elegant design and bold imagery of traditional magazines with immersive bite-sized stories, engaging videos, and stunning photos curated from Flickr and across the web.” I hope this is not a flip-off to the search engine…

Yahoo has also announced Yahoo News Digest, a twice a day summary of news sent to your phone. “Our Digests provide a definitive summary of all the need-to-know news so you can stay on top of what’s happening.” I’m not enthused; these kinds of digests are inevitably too broad for me.

Twitter for Researchers, part #22521: using it to measure how many people make resolutions about substance use and abuse. The last line of the article made me laugh out loud: “In related news, here’s how to set your Twitter account to private.”

More Twitter: It will issue its first quarterly report on February 5th and, naturally, take questions via Twitter.

One Laptop Per Child has announced (via press release) an XO-Learning app store.

Mashable is crowdsourcing attendee photos from CES.

Biz Stone has launched Jelly, which is a mobile app that sounds like a blend of social network and Q&A site. Anybody tried it? I’m intrigued but I have such bad luck asking questions on Quora. Good morning, Internet…

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