The first Aaron Sorkin Facebook movie, 2010’s The Social Network, helped cement the early aughts image of Mark Zuckerberg rebelling against corporate norms in rumpled hoodies and T-shirts.

The follow-up, The Social Reckoning, is carbon-dated from 2019 to 2021. This is “post-hoodie”, as the movie’s costume designer, Susan Lyall, describes it, “post-thumbing his nose” to formality. It is also peak robot. Zuckerberg’s reserved wardrobe of suits or interchangeable long-sleeved shirts echo his chilling composure throughout, even as fury simmers under the surface.

The costume was based on deep research by Lyall and also by actor Jeremy Strong who, she says, is “very into costume”. Having worked together before, on the Sorkin movies Molly’s Game and The Trial of the Chicago 7, they would text a lot during the preparation process.

“He reaches out before I even get to reach out to him. It’s my third movie with him, so I’m pretty used to it. He’s very proactive. He’s one of my favourite actors because of that.…