App and web-based ordering has become commonplace during the pandemic.
But the Information Commissioner's Office told the BBC that customers should be aware they had a choice over whether to share information.
Venues should only ask for data that is "relevant and necessary", the ICO said.
The pair posed as AstraZeneca investors and filmed Piers Corbyn accepting money to stop spreading misinformation about the jab.
Catherine grew up in a family that lived an alternative lifestyle. When social media became a big part of her life, she became a huge believer in anti-vaccine conspiracy theories.
A man making false and misleading statements about Covid-19 tried to remove a sick coronavirus patient from East Surrey Hospital, and is wanted by police.
It follows a trend of people filming supposedly "empty hospitals" and then posting them online and encouraging others to do the same, spread on social media platforms.
A framework to help schools and further education (FE) providers in England identify strengths and areas for improvement in their remote education provision.
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