. "Covers scientific and technological innovations of the 2000s, including the rapid expansion of the online economy propelled by popular mobile devices such as smart phones, tablets, and e-readers and the widespread use of Facebook, Twitter, and other social networks. Also covers the human genome project, medical discoveries, and discoveries in space and here on earth that offered new insights into humanity's place in the cosmos."@en . . . . . "Electronic books"@en . "\"The online economy expanded rapidly, propelled by popular mobile devices such as smart phones, tablets, and e-readers and the widespread use of Facebook, Twitter, and other social networks. Meanwhile knowledge of the human genome began to revolutionize medicine and discoveries in space and here on earth offered new insights into humanity's place in the cosmos.\" -- from publisher's website." . . . "Juvenile works"@en . "Juvenile works" . . . . "Science and technology of the 2000s"@en . "Science and technology of the 2000s" . "History"@en . "History" . "2000 - 2099" . . . .