Check out this cool DIY t-shirt from Reactee - Are you looking for an interactive t-shirt? At Reactee you can create a shirt by selecting a slogan, a keyword and a special message at the Reactee web site. You will have to give them your cell phone number so that they can activate it. Then when you wear the t-shirt. and someone sees you and sends a you text message they will get your special text message on their phone. Might be a great way to advertise your special product or promote a special cause.