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Earlier this week we posted a Guide to Recommender Systems, as part of our series on recommendation technologies. In this post we look at some of the challenges in building

For many of us, our tributaries of social data find their way into our lifestream, an aggregated collection of our online activities. More often than not, that stream appears as

From the R&D Labs at Ricoh, there comes a new QR code creation tool called iCandy. With this application, you can easily create QR codes that automatically launch and begin

For us, the iPhone has already replaced our radio while driving. Thanks to a steady stream of podcasts and the Last.fm and Pandora applications, annoying DJs and endless commercials have

If you imagine Brian Eno doing a Twitter-like anonymous messaging application for the iPhone, and then mix in a good dose of PostSecret and a somewhat belated holiday spirit, you

Over December we've published ten top 10 lists of the top products of 2008. We intend to open these lists up for public voting in 2009, to tap into the

Who uses cross-posting social media app Ping.fm? A lot of people do, but now you can add LinkedIn founder Reid Hoffman and Creative Commons Foundation Chairman Joi Ito to the

Editor's Note: This list was contributed by Steve O'Hear, editor of last100, a former RWW network blog. There was lots of activity in the digital lifestyle space in 2008, with

Ambitious online music magazine Idiomag serves up synchronized songs, photos, videos and articles from and about artists it believes you'll like, based on your past behavior. Today the company is

These days, everybody's talking about cloud computing - the notion that computing's future lies in web-based applications and services and not in software tied to the desktop. After years of