If you’re not a Twitter user you’re missing out on a really cool tool to connect with friends and strangers around the world. And some of those strangers are actually celebrities who talk about what they’re up to. Case in point — today Toy Story 3 director Lee Unkrich (@leeunkrich) is tweeting and posting updates, pictures, and even a video as the first day of scoring with a full orchestra for the film gets under way. You don’t have to sign up to follow along.