I was a solid myspace addict when it was the hot thing; now I rely on facebook. Honestly, the reason that I utilize it so much is for the simple fact that it's the easiest way for me to stay in touch with my friends. Between formerly being in the military, the type of job that I now have, and the hobbies that I indulge in, my friends are scattered all over the town, the state, and even the country. Keeping in contact with all of them might be a little daunting and time consuming without the help of such networking sites as facebook. It's a great place to organize events, share information, discover new music based on the recommendations of others, etc... not to mention being a wonderfully silly way to waste time. 
That being said, there can be a rather sophomoric, immature, and "attention-*****" aspect of the site as well, namely in the demographic of users who add as many "friends" as they can, become "fans" of as many groups as they can, and generally use it as a means to (for lack of a better description) harness a level of popularity.
Really, it is what it is, and what you make of it. My only concern with trying to spread word about these wonderful reptiles via facebook, is capturing the attention of a multitude of immature and unprepared individuals who decide to get one based on the novelty of it all, and not based on their ability to take proper care of it.
Eh, just thought I'd drop my two cents into the bucket.
"Why do blessings always come in disguises? If I were a blessing, I'd run around naked."
0.2.0 Bearded Dragon; Knuckles (aka "Kitteh"), and Bandit (aka "Spaz")
1.0.1 Ball Pythons; Moose, and Lil' Bit
0.0.1 B/W Tegu; as yet unnamed
0.0.1 All American Tegu; as yet unnamed
0.0.1 Baby B/W Tegu; unnamed, RIP
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