Commentators say Russian technology, or a close copy of it, will be used to bring the two craft into line.

BBC: China ready for next space leap

It is also still debating whether the iPad version should be a close copy of the iPhone app or a complementary, dashboard-type service.

FORBES

Obesity seems to spread in networks because of behavioral imitation -- you copy what people close to you are doing -- and shared expectations called "norms, " the authors said.

CNN: Obesity, STDs flow in social networks