Cambridge Analytica has denied inappropriate use of Facebook user profiles, but a former employee who is now a whistleblower has emphatically contradicted that claim. It is past time that the US recognize that data is too important to be unregulated. But there are questions over whether the Trump campaign appears nonetheless to have gained an advantage in the election from the data. Image caption Jesse Eisenberg's performance has already won praise As Sorkin, a noted internet sceptic, has confessed in New York magazine he could just as easily have made a movie about the making of toasters. A key plank of the movie is that a major motivation for Zuckerberg in building Facebook was a break-up and the desire to impress the girl in question and achieve social acceptance. It was not just the user's profile data that was harvested, but also that of their friends, none of whom were notified With the election cycle fast approaching, Cambridge Analytica did not have time to create its own custom profiles. Film-makers have always played fast and loose with history. This appears to have been among the most consequential data breaches in history, with an impact that may rival the breach of financial records from Equifax. But while the movie, written by Aaron Sorkin and directed by David Fincher, is already earning plaudits from film critics, technology writers who've had dealings with Zuckerberg have been lining up to pick holes in it. US law provides very little privacy protection, leaving consumers with little or no recourse when they are harmed. The big data companies are opaque to consumers and regulators alike, so few people understand the risks and companies can often hide data breaches for a long time. Companies offer us free applications that are convenient, useful and fun in exchange for perpetual rights to the data they can harvest from our actions online and sometimes offline. Will Facebook face consequences for the data it lost to Cambridge Analytica? And he is not snide and sarcastic in a cruel way, the way Zuckerberg is played in the movie," he says. Will Cambridge Analytica or the Trump campaign be held to account? Baloun spent a year between May and May as a senior engineer at Facebook, working closely with Zuckerberg for much of the time.