The Holderness family in their 2013 Christmas video card
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The trend for the Christmas family 'video card'

Thousands of families have posted Christmas "video cards" of themselves this season.

One - by a US family - has been watched more than 11 million times.

Here is a selection of some of them.

See BBC Trending for more on the Christmas video card.

Videos courtesy of the Holderness family, the Slades, and Claude and Renee Pageau.