Is the Internet a public forum where all sorts of speech and information gathering are allowed under the First Amendment? Or is it more like a piece of real estate where websites can bar entry to trespassers as they see fit?

Those were among the meaty questions tackled Thursday afternoon by two of the country’s pre-eminent constitutional advocates—Munger, Tolles & Olson partner Donald Verrilli and Harvard Law School professor Laurence Tribe—in a bet-the-company case that has the potential to shape the future of the web.