Hey Andrew, it was nice meeting you at lunch today. I think you bring up some good points, but their reach is more like 4x that of some of the larger independents. At least on Facebook.
I'm going by the number of installs listed on adonomics -- same holds true for other relevant stats.
Drop me a line, I'd love to continue this debate :).
"social networks for pets don’t work because despite what you think Fido really doesn’t care what type of Kibble Fifi had for breakfast"
true, but people DO care about telling other people every inane detail about their dog/cat/baby/etc. and last i heard, dogster.com was reasonably successful, no?