Maybe it's not good form to start "Geeky Friday" with a six year old article. Nonetheless, here's an article by Frank Stajano discussing a information retrieval system implemented using SMS. Stajano also discusses why he chose to use Python despite his previous experience with tcl and [incr tcl]. The bottom line "I prefer Python because its standard library is a gold mine."
Six years later, I believe this is still true. I'm much more familiar with tcl, but when I compare the list of modules in the tcl standard library and those in python's standard library I begin to understand why Stajano feels this way.