"LAMP technologies traditionally include Linux, Apache, MySQL,
and, by happy coincidence, one of three 'P' languages: PHP, Python
or Perl. Of course, this is changing a bit. Many folks have long
preferred PostgreSQL over MySQL because prior to MySQL 4.1 (or 5,
depending upon your point of view), MySQL was pretty much a
sophisticated toy, but LAPP probably doesn't sound as cool. Others
prefer Ruby to Python, PHP and Perl, but prior to Rails, many folks
assumed that switching to Ruby wouldn't be a good career move.
"But the question that some folks wonder about is whether or not
Perl6 will take its place along the 'P' languages..."