There are many reasons why Paul Grahama might speak too highly of Convore, but one theory is endowment effect: http://en.wikipedia.org/wiki/Endowment_effect ht

There are many reasons why Paul Grahama might speak too highly of Convore, but one theory is endowment effect: http://en.wikipedia.org/wiki/Endowment_effect http://en.wikipedia.org/wiki/Endowment_effect People think more highly of things that they have an ownership stake in.