This paper describes an investigation into the practical use of multi-
media tools available on the Internet for the purpose of communication
and collaboration between remotely located users, A prototype interfa
ce incorporating voice. text and graphics-based communication tools wa
s developed according to the needs of a group of researchers. Experime
nts were conducted whereby the interface was used to carry out authent
ic tasks for the joint preparation of a research paper. The tasks invo
lved simultaneous activity between researchers located in the UK and A
ustralia where the time difference between the sites was 8.5 h. From t
he results of the investigation, issues that are relevant to multimedi
a tool design and what users can expect in practice from their use on
the Internet were identified. (C) 1998 Elsevier Science B.V.