A hacker sends a company employee a fraudulent email prompting him to change his password. The employee downloads a PDF, which is a keylogger posing as password security guidelines. Once the keylogger has been downloaded, the hacker gets the employee's credentials and logs into the system.

Scientists have sequenced the tomato genome because the taste, size, color and more of a tomato is determined by their genes.

Simple random sampling and its role in surveys.

While working on her homework, Vanessa receives an instant message with a link to a website titled "Hating Vanessa." The website, presumably made by Vanessa's peers, makes fun of her by depicting her with ridiculous hair styles.

ReCAPTCHA uses crowdsourcing to transcribe words from books that a computer can't distinguish between. The reCAPTCHA makes sure the user is actually a human entering a webpage and also uses the person to help determine words from texts that can't be transcribed by computers.