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Write one word in each gap to complete the text:

The Digital Age

Eras and historical periods will always be defined (1)___what happened during them. (2)___example, the period (3)___1914 and 1918 was defined by World War I. At (4)___time, nobody knew that a second world war would follow. Years later, (5)___the end of the 20th century, the Information Age began. By (6)___time we are old, technology (7)___have changed even more. We might even (8)___living in smart homes where robots do all the chores. Many jobs (9)___will have been replaced by AI. There's talk (10)___the potential of space travel for everyone. (11)___the future, historians (12)___look back at our era as the beginning of something incredible. We'll (13)___seeing these changes very soon!