A policeman installs alarm equipment, through which emergencies can be reported to police, at a primary school in Chaoyang district, Beijing, on May 10, 2010. [Photo/IC]

While some Internet users complain about the nosy seniors in their communities, others believe that residents reporting to police suspicious behaviors of their neighbors doesn't mean the community is closed to outsiders, but only provide both residents and visitors a more reassuring place to live.