I've seen a need for both ad hoc (submitting text to you one complete posting at a time) and real-time (chat streams, high-volume forums) handling of text for m

I've seen a need for both ad hoc (submitting text to you one complete posting at a time) and real-time (chat streams, high-volume forums) handling of text for many of these, plus censorship: both detection (does this text contain banned words) and processing (manipulate the banned words) in multiple languages.