Cloud computing in the field of instant electronic messaging services (instant messaging); providing software as a service (SaaS) in the field of instant electronic messaging services (instant messaging); encoding of messages in the field of instant electronic messaging services (instant messaging); computer software design and development in the field of instant electronic messaging services (instant messaging); customised design of software packages in the field of instant electronic messaging services (instant messaging); design of communication systems in the field of instant electronic messaging services (instant messaging)