Jan is an amazingly observant guy. Nokia is lucky to have him.
You just have to read his website, where he regularly posts about his many trips and user studies all around the world. Lately, he has been focusing a lot on developing markets, which suits me just fine.
In this article, he brings up the concept of ‘utility maximization’ in relation to the cell phone world – that fixed-line infrastructure still has relevance where it is significantly cheaper than mobile phone service.
Link: Jan Chipchase – Future Perfect: Smart People, Dumb People.
Whilst the mobile phone offers the key benefits of personal, convenient, synchronous and asynchronous communication people often opt to use and will go out of their way to use public infrastructure because its simply cheaper.