For research and publications in 2003-2012, please see

Current projects since 2013 are organized into three groups, each symbolized by a number: 100% (or so) of capacity demand's annual increase (for research on technology networks), $15 (per GB) as the current mobile data price in US (for research on economic networks), and 4.74 the reported degrees of separation on Facebook (for research in social networks).

4.74 (Social Networks)

Social Learning Efficiency

Big Learning Data Analytics

Digging tweets

Integrated and Individualized Learning

Learning socially