Many eyes will watch visitors

Near the Second Ring Road in downtown Beijing, Wu Naimei, 74, sat on a folding chair fanning herself. "If we see any suspicious people, we call the police and report on them," the retired subway worker said, adding that she can't define a suspicious person but knows one when she sees one. "We are happy to help protect our motherland, assist the nation and help our leaders relax."

The West might have a stronger argument in questioning China's potential for intrusive surveillance if it weren't moving rapidly in the same direction. London is believed to have the largest number of closed-circuit TV cameras of any city in the world. Many countries have seen vast troves of personal data lost or stolen. Financial records and phone calls are now routinely monitored.

The difference is that Western countries have better checks on police power, some human rights activists said, even as they expressed concern that the U.S. could soon be using technologies developed in China.

"Every country wants to avoid abuse of police power," said Xu Zhiyong, a lecturer at the Beijing University of Posts and Telecommunications. "It's getting better in China, but we still have a ways to go."

In addition to blocking online information about corruption and human rights violations, the government is suspected of collecting information on visitors' Internet search activity.

Sen. Sam Brownback (R-Kan.) said late last month that foreign-owned hotels in China were under pressure to sign contracts authorizing police to install hardware and software to monitor their guests' Internet activity. Hotel managers contacted in Beijing declined to comment.

This followed a State Department warning in March that "all hotel rooms and offices are considered to be subject to on-site or remote technical monitoring at all times." Foreign Ministry spokesman Qin Gang quickly called the U.S. report irresponsible and denied that China employed more surveillance than normal.

In Beijing, two taxi drivers who asked not to be identified while discussing confidential matters displayed a pair of black button-sized devices just to the left of their steering wheel linked to the vehicle's navigation system. They said the devices allow a central monitoring station to listen to anything inside the taxi.

One driver said that besides listening in on passengers, officials can hear any griping he might do about the Communist Party, which could result in punishment.