tl;dr:Given candidates won't know your interview process from the start - which can lead to confusion - share a simple document beforehand outlining the process and how they should prepare. Julia provides Stripe's sample document.
tl;dr:Julia started to believe that it was impossible to understand basic CSS concepts, impeding her own ability to learn. After shifting her attitude, she saw a major difference in her ability to learn.
tl;dr:Julia asks and answers the question "how does Facebook know that you went to Old Navy" by investigating tracking pixels - how they work and what you can do as a user to reduce the amount you're tracked.