Rollover Question (Web 2.0)

On Friday, September 29, 2006 at 0:05,
Ziya Oz <listeraearthlink.net> wrote:

...
> The choice is not between what's visible and what's
hidden or if
> visible is preferable. Duh, obviously you'll prefer and
perform
> better with what's visible. But it's impossible to have
everything
> always visible everywhere. Just not practical. So, as a
designer,
> you always try to balance what has to be hidden, one
way or another,
> and what's *indispensable* for navigation, interaction,
emotion,
> etc., and must therefore be visible at all times.
...

Why isn't it always practical to have all pertinent info
visible? 

Any examples of when a rollover is preferable?

tOM


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   ,__ 	tOM Trottier
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tOM Trottier:

> Why isn't it always practical to have all pertinent
info visible?

Because a) "pertinent" is in the eye of the
beholder, b) the effective
screen real estate you have to play with is often not
large enough and c)
information is often not flat and is best served in an
hierarchical fashion
with progressive disclosure, enhancing but not competing
with the
primary/visible bits.
 
> Any examples of when a rollover is preferable?

When all the primary and secondary/rollover bits are mixed
at one level,
they end up competing for visual/interaction attention,
produce clutter,
reduce legibility and comprehension, etc. It's Design Basics
101.

----
Ziya

Usability >  Simplify the Solution
Design >  Simplify the Problem



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