In her iReport Dennery describes speaking to a returnee from Khartoum called Bak Geng.

CNN: Southern Sudan homecoming brings new problems

"We consult with our public relations company on what ties and socks we should wear for road shows, " Geng says.

CNN: TARRED BY A BROAD BRUSH

"In the past, we waited for vehicles to come onto our roads like a hunter waiting for rabbits to die in front of him, " says Geng.

CNN: TARRED BY A BROAD BRUSH

One of the most conspicuous is table tennis player Geng Lijuan, the former world number one from China who has for more than a decade represented Canada.

BBC: Defecting dilemmas for Games

Mr. Geng said that since the creation of the Ministry of National Defense and China Military Online websites, both had faced serious and growing numbers of attacks.

WSJ: China Alleges Cyberattacks Originated in U.S.

Geng's company, operator of 250 kilometers of toll roads that link mainland dynamo Shanghai, Hangzhou and the booming port of Ningbo, recently reported a 30% profit increase last year.

CNN: TARRED BY A BROAD BRUSH

Negative investor sentiment "has made us suffer, " Geng says.

CNN: TARRED BY A BROAD BRUSH