Expert : `` If you change your terms and conditions and remove a section and leave it at that without bringing it properly to people 's attention you 're going to get suspicion . '' Social-networking site users risk losing control of personal information . Comment: Sites have to balance legal requirements , making policies on data use clear . Young people in particular should be careful about what they post online .
Expert : Social-networking site users risk losing control of personal information . Comment: Sites have to balance legal requirements , making policies on data use clear . Young people in particular should be careful about what they post online .