You can find me at Quora, GitHub, Tumblr, LinkedIn, Facebook, Twitter & Pinboard.

I've written about how companies succeed with freemium.

• Understanding User Acquisition in Freemium — 18 May 2011
• Thinking about freemium for B2B? Here are some challenges for you. — 06 Apr 2011
• Is freemium a stable economic model? — 05 Apr 2011
• Considering freemium? Here are four things you should think about. — 04 Apr 2011
• Is freemium a business model? — 16 Oct 2010
• Don't let them get away with free — 11 Sep 2010
• Why I want to write a master thesis about the freemium business model — 01 Sep 2010
• Her ute i havgapet — 01 Aug 2010
• Hints for the Ruby certification — 28 Jul 2010
• Playing with instance_eval to create a syntax similar to routes in Rails 3 — 27 Jul 2010
• Merging from Pinboard to Instapaper — 27 Jul 2010
• My gitconfig — 25 Jul 2010
• Connecting to an Oracle database using Ruby on OS X — 16 Jul 2010
• The Security of Passive RFID Tags — 20 Nov 2009
• My most important password — 21 Sep 2009
• Jeg har ikke et gjennomsnittelig fokus på sikkerhet — 18 Sep 2009
• The MacBook died — 24 Jun 2009
• Compendium rant — 06 Feb 2009
• Are all the hexagonal numbers in the triangle numbers? — 18 Nov 2008

I have written some summaries in courses I have had at NTNU:

• TTM4130 Service Intelligence and Mobility
• TTM4137 Wireless Network Security
• TTM4165 ICT, Organization and Market
• TTM4135 Information Security
• TTM4115 Engineering Distributed Real Time Systems (PDF)
• TIØ4235 Industrial Marketing and International Business (PDF)
• TIØ4265 Strategic Management (PDF)
• TDT4120 Algorithms and data structures (PDF)
• TDT4330 Idea Search and Market Asessment

Talk to me.