Complete the text by filling in each space with one word. second life is a virtual world. it (a) was, created in 2003 by a company called linden lab. some people call it the future of entertainment, social interaction and business. in fact, business (b) important in second life because you can buy and sell almost anything. people (c) for things with linden dollars. you can buy linden dollars with real us dollars. in september 2006 a (d) of money (e) spent in second life ($6.6ml), mostly on designer clothes. officially there (f) more than two million residents in second life at the moment but many of these residents are not active. people under 18 can't join second life because you (g) be 18. so now a place called teen second life has (h) created (i) linden lab for young people (j) 13 to 17.