Just checked out your listings for Dallas. May need to actually talk to some locals some of these places are not what I would call kid friendly.
Fair Park is in a sketchy part of town and basically no mans land outside of September-October.
The 6th floor museum is about the Kennedy Assassination. Doubt many kids would find that interesting.
I was really surprised to see Twin Peaks and Bone Daddys on there. You know these are basically Hooters, PG-13 versions of strip clubs. A Bike gang met up at one in Waco and shot the place up.
I looked at it for Austin and the first results are mostly parks (my kids never liked parks), then it gets weird. A Brazilian steak house? Then Twin Peaks? Twin Peaks is basically Hooters. But I guess because they have a changing table in the restroom, they are a good place to take kids.
I don't know if this is the classical definition of grassrooting because your HN tag mentiones you are the Co-founder & CPO of Winnie but there's also other new accounts just commenting on this story (tvnut999)
It shows some promise, but for now it's not really usable. All this app is doing is scraping Foursquare data and looking for keywords. This leads to some hilarious results. For example, every frat house in my area is "a zoo", complete with an elephant icon, and a great place to take your kids.