In one of my presentations on making your content travel further I suggested to delegates that they might want to hang out on message boards like Mumsnet, if that's where their audience is. 

This usually elicits a few laughs, but I'm actually quite serious. If your business is targeting parents in some way, whether through insurance or law or education or medicine, etc, then somewhere like Mumsnet is the perfect place to interact with your prospects by helping them and providing value. 

The article below gives you a few ideas on how to find the right forum for your niche, as well as best practice for interactions. It's certainly worth a look if you'd like to find your mumsnet