Regulations come into force at midnight tonight, which allow the British Library to begin archiving the entire UK web domain.
Billions of webpages, blogs and e-books will also be preserved in order to document the digital age.
The library could eventually collect copies of every public Tweet or Facebook page in the British web domain.
More top news
Londoners who have received new electronic gadgets for Christmas are being advised to take simple steps to protect them from thieves.
The Boxing Day sales got off to a flying start with shops reporting a surge in business during the first hour of trading.
Bus strikes are planned for Monday 29 December and Monday 5 January.