Short answers, pulled from the story.
Life in a Day is a crowd-sourced documentary film assembled from 80,000 video clips submitted to YouTube by people in 192 nations, all filmed on a single day: the 24th of July 2010. The 94-minute film captures the textures of ordinary life across cultures in one 24-hour period.
Kevin Macdonald directed Life in a Day and edited the footage alongside film editor Joe Walker. Ridley Scott produced the film through his company Scott Free Productions, in collaboration with YouTube and LG Electronics.
Life in a Day debuted at the Sundance Film Festival on the 27th of January 2011. The premiere was simultaneously streamed live on YouTube.
The filmmakers received 80,000 video clips from 192 nations, totalling 4,500 hours of footage. A team of roughly two dozen multilingual researchers rated and catalogued each clip before Joe Walker and Kevin Macdonald cut the final 94-minute-53-second film over seven weeks.
Rotten Tomatoes reported that 82 percent of 52 critics gave the film a positive review, with a rating average of 7.1 out of 10. Metacritic scored it at 58 out of 100, indicating mixed or average reviews.
Life in a Day spawned a series of country-specific follow-ons, including Britain in a Day (2011), Japan in a Day (2012), Christmas in a Day (2013), Italy in a Day (2014), India in a Day (2015), Spain in a Day (2016), Canada in a Day (2017), and Panama in a Day (2019). The format returned to its origin with Life in a Day 2020, released in 2021.