Christopher Allen
About: Christopher Allen is a long-time entrepreneur, advisor and technologist, whose many ventures center on tools and facilitation of online communities. As the founder of Consensus Development, Christopher helped develop SSL, the world's dominant internet security protocol, and was co-author of the IETF TLS internet-draft. More recently Christopher has been an angel investor of numerous technology startups, founder of an multiplayer online game company, hosts the iPhoneWebDev community, and currently authors his blog "Life With Alacrity" on the topics including collaboration, security, privacy, trust, social software and internet tools.
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New Blog for Ephemera
--This blog has been quiet lately as I've been doing a lot of work in the last year on the iPhone...
In Seoul for the Social Web
--I'm in Seoul, South Korea this week for the 13th Global Forum on Business Driven Action Learning and Executive Development, where I'm presenting on...
iPhoneDevCamp and Hack-a-Thon
--I feel privileged and honored to have been part of the iPhoneDevCamp over this last weekend. Over 380 iPhone developers came out to the Adobe Campu...
Getting Ready for the iPhone
--I've been excited about the web capabilities of the upcoming iPhone for some time. As a reluctant laptop user ("oh, my aching shoulders"), there is...
Collective Choice: Experimenting with Ratings
--Last year in Collective Choice: Rating Systems we took a careful look at eBay and other websites that collect ratings, and used those systems as ex...
Speaking about SynchroEdit at WikiWednesday
--I will be speaking tonight at WikiWednesday on the topic of Same Time, Different Place Editing, and will be demonstrating SynchroEdit integration w...
Ratings: Who Do You Trust?
--My colleague, Shannon Appelcline, has been working on a game rating system for RPGnet. This has resulted in some real-world applications for the ra...
Dunbar Number Presentation at MeshForum 2006
--Last May I did an abbreviated version of my Dunbar Number talk at MeshForum 2006. A MP3 podcast of that talk is now available at IT Conversations.
Using 5-Star Rating Systems
--In Collective Choice: Rating Systems I discuss ratings scales of various sorts, from eBay's 3-point scale to RPGnet's double 5-point scale, and Boa...
BayChi Talk Next Tuesday
--I will be speaking at next week's BayCHI, the San Francisco Bay Area Chapter of ACM SIGCHI (Computer Human Interface Special Interest Group), along...
Bookmarks:
WebShotsPro.com : Website Screenshot Generation - Website Thumbnail Service
Code of Best Practices in Fair Use for Online Video -- Publications -- Center for Social Media at American University
"This is a guide to current acceptable practices, drawing on the actual activities of creators, as discussed among other places in the study Recut, Reframe, Recycle: Quoting Copyrighted Material in User-Generated Video and backed by the judgment of a nati
Documentary Filmmakers’ Statement of Best Practices in Fair Use -- Publications -- Center for Social Media at American University
"Documentary filmmakers have created, through their professional associations, a clear, easy to understand statement of fair and reasonable approaches to fair use. Fair Use is the right, in some circumstances, to quote copyrighted material without asking
Scrapbook of My Life: On Dunbar's Number
"From all of this, we may reasonably think that it does exist a number beyond which our mind is constrained even in online settings. There are no reason, however, to think such number to be the same that applies to F2F interactions. There are reasons to t
alumni futures: Dunbar's Number & the Strength of Weak Ties
"People who move in circles different from yours are likely to know of opportunities and resources you would never know about. That is the strength of weak ties: access to new information, new people and new networks."
Strength of Weak Ties ? Mark S. Granovetter ? American Journal of Sociology May 1973
Seminal paper on weak ties in social networks from 1973 -- available now only via archive.org
