PUBLIC MARKS from Morgaine with tag design

A persona is a user archetype you can use to help guide decisions about product features, navigation, interactions, and even visual design. By designing for the archetype—whose goals and behavior patterns are well understood—you can satisfy the broader group of people represented by that archetype. It's easy to assemble a set of user characteristics and call it a persona, but it's not so easy to create personas that are truly effective design and communication tools. If you have begun to create your own personas, here are some tips to help you perfect them.

An Ajax application eliminates the start-stop-start-stop nature of interaction on the Web by introducing an intermediary — an Ajax engine — between the user and the server. It seems like adding a layer to the application would make it less responsive, but the opposite is true.