Hi Every one... i am a wordpress developer, but new to multi site, my client have a magazine website, he likes to extend his services like elibrary, classified, real estates etc., for that he suggesting me to install the multi site.. for each sub domains will it have unique user registration in multi site?? i meant if the user registered for elibrary only he will have access to it .. not to other sub domains... right??? thanks for spending time to read my query....