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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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...
Flames: Emotional Amplification of Text
--One of the behaviors that happens in online communities and that I rarely see elsewhere is flaming, where one member writes an extremely inappropri...
On Being an Angel
--This week has also seen a new topic enter the blog zeitgeist: the topic of reforming or reinventing venture capital. All types of venture investmen...
Bookmarks:
SSH for Back to My mac
"Rather than using Screen Sharing or Finder's file sharing for Back to My Mac, I often find it easier to use ssh. ssh -vvv -p 22 hostname.username.members.mac.com."
Clay Shirky at Web 2.0 Expo SF 2008
TV as cognitive surplus, wikipedia as 100M hours
Human Hardware: How Many Friends Can We Have Online?
"Blogger Christopher Allen did an interesting piece on the optimal size of online groups that would correspond to Dunbar's concept of a "band". What he found through anecdotal research is that there seems to be peaks in groups satisfaction in small groups
Mibbit
"Chatting on the web has never been this easy! Just search for subjects that interest you, or if you know where you're going, enter the IRC servers details and connect. Join millions of other people in chatrooms now! You can even use the Mibbit chat widge
Chipmunk
"Find duplicates where ever they are what ever name they have. Chipmunk considers strictly content. No mucking about with creation dates and file names and stuff. You will be amazed how quickly Chipmunk eats through hundreds of megabytes, considering it c
Dunbar’s Number and Facebook App Blindness | Reality is Fake
"Christoper Allen does some deep analysis and notes that 150 is probably on the high end if one is looking for group cohesion."
