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The term "high fidelity" was coined in the 1920s by some manufacturers of radio receivers and phonographs to differentiate their better-sounding products claimed as providing "perfect" sound reproduction. The term began to be used by some audio engineers and consumers through the 1930s and 1940s. After 1949 a variety of improvements in recording and playback technologies, especially stereo recordings, which became widely available in 1958, gave a boost to the "hi-fi" classification of products, leading to sales of individual components for the home such as amplifiers, loudspeakers, phonographs, and tape players. High Fidelity and Audio were two magazines that hi-fi consumers and engineers could read for reviews of playback equipment and recordings.

What magazines provided reviews for audio equipment?
Answer: High Fidelity and Audio
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 China: The torch returned to China for the first time since April. The torch arrived in Sanya, Hainan on May 4 with celebrations attended by International Olympic Committee (IOC) officials and Chinese big names like Jackie Chan. The entire relay through Mainland China was largely a success with many people welcoming the arrival of the torch along the way.

Which actor also attended the celebrations?
Answer: Jackie Chan.
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True exhibition games between opposing colleges at the highest level do not exist in college football; due to the importance of opinion polling in the top level of college football, even exhibition games would not truly be exhibitions because they could influence the opinions of those polled. Intramural games are possible because a team playing against itself leaves little ability for poll participants to make judgments, and at levels below the Football Bowl Subdivision (FBS), championships are decided by objective formulas and thus those teams can play non-league games without affecting their playoff hopes.

Championships are decided by formulas for college teams below what level?
Answer:
Football Bowl Subdivision