I would like to know which of the following is ad and will be removed?
1. I have a few charity events and I need to ask for volunteers. Can I post here?
2. I have known a group of students photographers who need to build up wedding portfolio, Can I post here?
3. If I have free lobangs (eg fee beauty product sample, free reno hand books), can I post here?
4. If I post my personal homepage, is it consider ad???