Shawn Buckles, a student from the Netherlands, set up a website last month with an online bidding system in order and put all of his personal data up for sale.
This included his personal records, location records, medical records, train travel patterns, personal calendar, emails, social media chats, consumer preferences, browser history and "his thoughts".
Buckles decided to auction his 'data soul' to make a comment about privacy and the value of personal data.
"People don't seem to understand that privacy and autonomy are very much related and that privacy is a necessity for developing one's individual character and ethics," he said.
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"We're silently consenting to a surveillance state by making all this data available for free," he added.
Buckles' data soul was recently sold to a company, The Next Web, for 288 pounds. According to Buckles, the company will use his data to illustrate the issue of privacy at a forthcoming conference.
Buckles admitted that a number of his friends blamed him for jeopardising their privacy - by offering to sell email exchanges between him and them - with some even saying they wouldn't send him any more emails.