The document summarizes information about various topics in 3-4 sentences each: 1) It discusses "X vibration syndrome" which is the sensation of feeling or hearing your phone vibrate/ring when it's not. 2) In 2012, the term was named Macquarie Dictionary's "Word Of The Year" in Australia. 3) X was the first fictional superhero to popularize the skintight costume now common in comics. 4) In 1886, president Grover Cleveland designated X as a lighthouse, which served that purpose for 16 years using electric arc lights visible from 24 miles away. 5) The document provides information about blanks to fill in regarding names, terms, and