IM service, post, article services of various response times to call for a translation by a human when the machine is incomprehensible - if not already provided by a third party (see other links in this group) we would need to build a machine translation learning engine that would learn from the corrections that humans made to translations of words phrases or sentences.

Ability for users to declare which languages they have, and to what level - system will translate automatically to language of greatest facility from source language, leaving source side by side to promote learning and understanding