- validate all input properly, encode and quote all output properly - Provide a user interface for browsing the published data - Enrich the post data on the client side - Support for @replies - Server-independent authentication methods - Multiuser version - Forward the postings to ping-the-semantic-web, Sindice, etc. - More user interfaces than the web one: Twitter clients, SMS, Facebook, ... - Admin interface for sending existing postings to a new aggregator - Embeds more informations in RDFa - Better design / CS - RSS feed of latest updates