Technology Review which is published by MIT listed what they feel are the Top 10 emerging technologies. Here they are:

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Mobile 3-D
Engineered Stem Cells
Solar Fuel
Light-Trapping Photovoltaics
Social TV
Green Concrete
Implantable Electronics
Dual-Action Antibodies
Cloud Programming

You can also see there top 10’s for the years 2001 -2009 and see how well their prior choices did.

Check out each at Technology Review