Our list of the 50 most innovative companies, including the following:
A123 Systems
Twitter
Novartis
Siemens
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Fengnian Xia
Replacing silicon with graphene
Gert Lanckriet
Teaching computers to classify music
Umar Saif
Improving connectivity in poor nations
Piya Sorcar
Software that can be localized to teach taboo topics
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Cancer Genomics
Deciphering the genetics behind the disease
Gestural Interfaces
Controlling computers with our bodies
Cloud Streaming
Bringing high-performance software to mobile devices
Synthetic Cells
Designing new genomes could speed the creation of vaccines and biofuel-producing bacteria
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