TechCrunch wants you to launch your product at TC50 - so you should have a product. A beta is fine (I'd guess many of the TC50 are in beta stage). If you want

TechCrunch wants you to launch your product at TC50 - so you should have a product. A beta is fine (I'd guess many of the TC50 are in beta stage). If you want to build the product between June 23 and TC50, after submitting just the idea, I suppose you could, but I don't like your chances since TC50 won't know what it's getting.