There are meetings and protests taking place around the country.
In Brighton, the demo is from 5pm in Churchill Square.
To find out what's happening near you, find your local group.
I'll be in town after I finish work with geeky_monkey, choicelamb, michelle and nic. Comment/text if you'd like to come along or meet up.
For more information on the No2ID campaign, check out:
The problems with 'ID cards'
frequently asked questions