we think we know something about jax, but we want to hear from you! do you have some fun Flickr photos from your last trip to jacksonville beach? did you get killer video of the last jaguars game and post it on YouTube? was your last meal in downtown jax so delicious you had to tweet about it? do you find yourself learning something new every time you explore jax? you are in the right place. welcome to udontknowjax, an online community devoted to all things jacksonville, florida.