One of the values I find in my all-to-often reading of Twitter is the diversity of information.  Take twecipe.com (or its Twitter counterpart @twecipe), for example.  A brilliantly executed service to find recipes.  All one has to do is feed it a list of ingredients and a recipe will pop out.

By itself, that is pretty amazing; Anastasia was in love with it the moment I mentioned it to her.  However, the cool part for me came when I read the rest of the story.  Niall Harbison has succeeded in coming up with a truly useful idea and implementing it.  The fact that it only cost $300 and took five days from concept to reality is icing on the cake.