We present a case study of BlueReach, an expertise sharing application that uses synchronous chat to connect question askers with subject-matter experts. We discuss how the solution evolved over time, and the generally high level of acceptance from users and volunteer experts. We include survey findings and usage data, which indicate that in spite of… (More)
China's rural-urban dual society system is instituted by its unique hukou system. This system causes inequalities in social status between permanent urban and rural residents, and discrimination against rural-to-urban migrants is thus prevalent. A series of studies, based on system justification theory, sought to address the impact of the hukou system on… (More)
The notion of convex stability for a sequence of non-negative random variables is discussed in the context of several applications.