"In an eyetracking study, Jakob Nielsen found that users often scan content on web pages in an F-shaped pattern:
- First, people scan in a horizontal movement across the upper part of the content area
- Secondly, in a shorter horizontal movement further down the page
- Finally, in a vertical movement along the content's left side
According to Jakob Nielsen the F-pattern behaviour shows that:
- People don't read text thoroughly
- The most important information should be at the top
- Headings and paragraphs must start with information-carrying words that users will notice when they scan down the left side of the content"
"Ideally, according to Gizmo's Robertson, people should be able to send instant messages or make an Internet phone call as easily as sending an e-mail message. Someone who uses Microsoft's free web-based Hotmail service, for instance, can transparently send messages to Yahoo Mail or Google's Gmail. This inter-operability dates back to the early days of the Internet, when all e-mail servers were designed to use the same protocol, Saint-Andre says.
IM, however, started out as proprietary software and has stayed that way. Robertson wants to change that with initiatives like Gizmo. "The world I'm trying to create is one in which you have one screen name that works everywhere, very similar to e-mail," he says. "That's not the way IM works today. It's a big mess."
Para quem gosta de mapas de sistemas complexos, sejam eles de transportes ou de comunicações, entre outros...
