A worrisome set of posts from Princeton University's 'Freedom to Tinker" Blog:
In many situations, it may be far easier to unmask apparently anonymous online speakers than they, I, or many others in the policy community have appreciated. Today, I'll tell a story that helps explain what I mean. Second post: what BoingBoing knows about John Doe. Third, and most concerning post: The traceability of an online anonymous comment. Related post: a well researched review of the privacy concerns around the roll-out of, and push-back against, Google Buzz.
posted by Rumple on Feb 18, 2010 - 41 comments

Google began inviting volunteers to a public preview test of their new Wave web-based collaborative email and document communications platform yesterday, which enables users to "communicate and work together in real time." Initial reviews this past May seemed positive. (Previously) [more inside]
posted by zarq on Oct 1, 2009 - 75 comments

NPR Backstory is an automated Twitter feed providing helpful links to news items from the past 14 years that might be relevant to current events. For example, when masses of people started googling medical information after a news item about 200,000 patients' medical histories being accidentally exposed, NPRbackstory linked to an April 2008 analysis of the advantages and disadvantages of storing patient records online. [more inside]
posted by ardgedee on May 14, 2009 - 7 comments

Google is testing a Digg-like social interface to Google Search results, Techcrunch has an early preview video. This is bad news for Jimy Wales's Wikia since this is what they have been trying to build. Perhaps related it looks like Google is buying Digg.
posted by stbalbach on Jul 23, 2008 - 59 comments

Overstream: Add Your Thoughts to Video Have you ever wanted to customize an online video by adding your own comments or subtitles in any language, or wanted to send a custom video postcard?
posted by psmealey on Jan 15, 2008 - 7 comments