The way H4ck3rZ are doing communication with members is now a lot different, we use blogs, tweets, groups, forums, chat and wiki to communicate to each other and every H4ck3rZ member is allowed to do exactly the same and create his own blog, forums, groups and etc.
Those are the official H4ck3rZ blogs that we use to communicate official messages to members and they are described and categorized so you can follow exactly what you are interested in.
H4ck3rZ Main Blog. The main blog for h4ck3rz that is general and is meant to target everybody.
H4ck3rZ Events. Announcements and feedback for H4ck3rZ various events and conferences and even contributions in other communities. The blog also contains announcements about interesting events that you should/must follow or attend.
H4ck3rZ Channel. H4ck3rZ Videos of different types, that include tutorials and presentations that are recorded fully for you so you can be there, you can also ask questions there.