Formerly titled Almanac, Paramount and Platinum Dunes give time travel the found footage treatment with their upcoming thriller Welcome to Yesterday. The story follows David (Jonny Weston), a teenager who stumbles upon the building blocks of a time machine. After putting it together, he and a handful of friends decide to meddle in the quite recent past, where their misadventures bring about some dangerous repercussions. 'What would you do if you had a time machine?' Watch and wonder if you'd follow the same path.