What was the primary reason for the author's involvement in the Cambridge Analytica story?

• She worked directly for Cambridge Analytica

• She was one of the first scientists to study psychological targeting

• She helped write the targeting algorithms

• She was a political consultant during the 2016 election

According to the text, what is a digital footprint?

• A physical record of internet usage

• A person's social media profiles only

• Traces left online including social media, cookies, and purchase history

• Computer hardware identification markers

How much more likely were people to make purchases when ads matched their personality type?

• 25 percent

• 75 percent

• 100 percent

• 50 percent

What was demonstrated about computer accuracy in predicting personality?

• Computers were less accurate than friends

• Computers were as accurate as spouses

• Computers were less accurate than family members

• Computers couldn't predict personality accurately

Which platform was specifically mentioned as allowing targeting based on interests?

• Twitter

• Instagram

• Facebook

• LinkedIn

What type of words did introverted individuals commonly use in their posts?

• Party, weekend, girls

• Blessed, thanksgiving, wonderful

• Internet, anime, manga

• Social, outgoing, friends

What potential positive application of psychological targeting was NOT mentioned in the text?

• Helping people save money

• Environmental conservation efforts

• Career recommendations

• Mental health support