Another challenge is that some of the participants had
hardly used any types of maps at all and, for them, the use of
these sites was especially difficult; some of the users did not
even realise that the map scale could be changed or that
searches could be carried out for different objects. This is
understandable, since Web maps deal with complicated
spatial data and may allow a high degree of interactivity
between the user and the site. How can we help ordinary
Internet users to realise the variety of map sites and their
functionality and benefit from their use? The observed lack
of guidance within these sites does not help in this
situation.