With a careful blend of artistic vision and transparency, Frontline World's POSITHIV+: AIDS in Sub-Saharan Africa slideshow features the work and voice of photographer Pep Bonet. The images are subtle, striking, and together with Bonet's narration create a thoughtful perspective of the situation. On shooting a series of people without showing their faces, Bonet explains, "Sometimes the absence of something is the essence of it."

Shift Happens is an eclectic collection of facts and figures that demonstrate how globalization trends are evolving the landscape of human society. Among the many notable points of interest in the slideshow: "We are currently preparing students for jobs that don't yet exist, using technologies that haven't been invented, in order to solve problems we don't even know are problems yet." The original presentation was created by Arapahoe High School Director of Technology Karl Fisch. Other versions, as well as other educational ruminations, can be found in his blog.

Hometown Baghdad is a series of vignettes about a group of 20-something friends living in a war zone. These short episodes, co-produced by Iraqi filmmakers, are as candid as they are insightful. They're also frequently funny. Episodes are available via hometownbaghdad.com, as well as YouTube, and iTunes.

Gene Weingarten's article in the Washington Post on Joshua Bell's subway performance incited numerous conversations about the impact of context on the way we evaluate art. In a live discussion the next day, Weingarten starts by saying, "This story got the largest and most global response of anything I have ever written, for any publication. I think the enthusiastic classical-music blogosphere helped give it a viral life, as did the availability of quality video."