Facebook isn't tiny. Delicious isn't tiny. Digg isn't tiny. Shit, even my little startup, massify.com isn't tiny. I think probably the reason that people do

Facebook isn't tiny. Delicious isn't tiny. Digg isn't tiny. Shit, even my little startup, massify.com isn't tiny. I think probably the reason that people don't write non-web applications in PHP is because that's not PHP's expressed purpose. And re: catalyst, that sure is setting the web dev world on fire. /sarcasm