According to the Los Angeles Times, the study questioned more than 2300 adults and was conducted by vouchercloud.net, a coupon website that wanted to know how much tech jargon the public knows.
Probably not a joke but simply people answering multiple choice survey wrong because they don't know. Most likely answer is that most of those people simply have no clue about html instead
It was done by a coupons website. 12% of the people thought USB was an European country. 18% that blu-ray is an animal. 15% that software is clothing...