Bill Gates is the richest private citizen in the world. There is nothing he can’t (31) . Every morning, when his alarm clock goes off, the software tycoon is ＄20 million (32) than he went to bed. His wealth is based on his company, Microsoft, of which he (33) 39% of the shares. He is not shy about (34) it. He has built a mansion that he’s packed with high-tech gadgetry. Visitors are given a smart card encoded (35) their personal preferences, so that (36) they wander from room to room, their favorite pictures will (37) on the screens, and the music they like will play. The card is (38) so that only the most intimate friends can open all the doors. This cold-blooded approach to human relationships also seems to be true (39) his love life. When he went out with his ex-girlfriend, Ann Winblad, on a virtual (40) , each would drive alone to the same movie at the same time in different towns, and then talk about it (41) on their mobiles, discussing the plots and (42) opinions. When finally he got (43) , he and his wife, Melinda, signed a premarital agreement (44) allows him to go on an annual holiday with Ann. Gates has been called "King of the Nerds", but this simply isn’t fair. In the ninth (45) at school, he got straight A’s. Gates went on to Harvard University, (46) he managed to be in the same class as the girls he fancied (47) inserting a piece of software into the college computer. But he never (48) college. When he left, he knew exactly what to do. He (49) up his own company. The reason why Microsoft has been so successful is because Gates saw that his fortune lay in (50) ,not hardware.