Scientists estimate that the human brain’s memory capacity is around 2.5 petabytes—that’s equivalent to nearly 3 million hours of TV shows or all the content on Wikipedia multiplied thousands of times!

To put it in perspective, if your brain were a hard drive, it could store the entire internet from 20 years ago. Researchers believe the brain’s ability to compress and interconnect information allows us to recall millions of pieces of data with incredible efficiency.