[ Thanks to jorgerpo for this link.
]
“One of the great success stories of the Internet and of open
source software is Apache, the dominant web server software on the
Internet.“The 1.x generation of Apache has been out for many years, so it
should have been a big deal when version 2.0 shipped.“But early adoption of Apache version 2.0 was minimal according
to Netcraft, the authorities on what people are running on the
Internet. Over 11 million active sites are running Apache, but
about six months after its release, fewer than 100,000 of them are
running 2.0. Why…?”