The internet is where much of our modern cultural, societal and political history is stored, but as researchers are discovering, the internet has a big memory problem.
Without businesses paying to keep servers and archives up, more and more of our history online is disappearing forever.
We take a look at what this so called 'link rot' means for our collective understanding.
Produced and presented by Frey Lindsay
(Image: A man looking confused at his phone. Credit: Getty Images)