Talk to pet lovers and see what they need. I have a dog and here are some of my issues... what is the best type of dog/pet insurance out there? What is the best type of dog food out there? Where can I get a toy my dog won't destroy in 2 hours? Where are some of the best places to take my dog around Boston? Am not looking - but is there a place for pet owners to meet other single pet owners? Joel Spolsky mentioned in his mixergy interview that he wanted to create versions of stackoverflow...