Two more articles suggested by Christian Couder

Christian writes:

I like the first one because it shows that sometimes a change in name
can have a big impact in making something more attractive for a group
of people.

I like the second one, because it shows that a number of sometimes
paradoxical factors intervene in making technology more or less
attractive.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Change-Id: Ic6c822f12e948da6d7a54ce9faecdb5f20ff4df2