Do you want to create a must-have software application, a compelling new business model, and the next Internet darling? (I sure do!) Then Daniel Tunkelang offers some sage advice: when in doubt, make it public and permanent. He cites Blogger, Twitter, Flickr and YouTube as examples of previously private communication brought into the public sphere.
The lesson is that while security features remove objections in the customer’s mind, they don’t help you sell the product.