Amazon has dubbed today Cyber Monday, as Londoners and other people around the UK start buying presents online for Christmas.
Royal Mail plays a key part in delivering parcels and other items ordered online, especially at this time of year.
This Christmas, it is forecast that £4.6 billion will be spent online in the two weeks from Monday 3rd December (source: IMRG and Capgemini).
Retail giant John Lewis gave us access to their distribution centre.
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Martin Stew has the forecast: