With bloggers, I always find it's better to try and push your content to the smaller bloggers first - everyone's always trying to get promoted on the techcrunch

With bloggers, I always find it's better to try and push your content to the smaller bloggers first - everyone's always trying to get promoted on the techcrunches or the mashables. As for emails - really, just look for journalists who've written on your subject in the past. They usually have contact details up there.