Part 2: Fill in the gap with ONE suitable word. Write the answers in the corresponding numbered boxes.

THE BIRTH OF YOUTUBE

In 2005, Chad Hurley and Steve Chen, two software (71) ______ from Silicon Valley in California, were invited to dinner party. Several people had brought their camcorders to the party and these people were complaining about (72) _____ difficult it was to share home videos online. That was when Chad and Steve came up with the idea for YouTube, the site which makes it easy to upload home videos onto the Internet. They formed a company, borrowed some money, and set themselves up in (73)_________. It (74)______ out that millions of people already had short home video clips that they thought it (75)______ be fun to share with other enthusiasts around the world. Launched in December 2005, YouTube soon contained more than a million short video clips. People were uploading 8,000 clips a day, and watching three million a day. They had mostly heard about the site through (76)______ of mouth, email, and hyperlinks, and eighty percent of the clips had been (77)______ by amateurs. So why was YouTube (78)_____ an immediate success? Researchers found that, on (79)______, people were spending fifteen minutes on the site during each visit, which was enough time to view several short funny clips. In (80)_____ words, they were using YouTube to give them a little break from their work or study.