Jakob Nielsen, Ph.D., is a retired principal and co-founder (with Dr. Donald A. Norman) of the Nielsen Norman Group. Jakob established the "discount usability engineering" movement for fast and cheap improvements of user interfaces and invented the heuristic evaluation method.
About 90% of usability guidelines from 1986 are still valid, though several guidelines are less important because they relate to design elements that are rarely used today.
To manage a huge, worldwide information space, users need proven features like fat links, typed links, integrated search and browsing, overview maps, big-screen designs, and physical hypertext.
The last 200 years have driven centralization and changed the human experience in ways that conflict with evolution. The Internet will reestablish a more balanced, decentralized lifestyle.
User research offers a learning opportunity that can help you build an understanding of user behavior, but you must resolve discrepancies between research findings and your own beliefs.
Internet scams cannot be thwarted by placing the burden on users to defend themselves at all times. Beleaguered users need protection, and the technology must change to provide this.
The Washington Post's email newsletter earns a high usability score. It's particularly good at setting users' expectations before they subscribe, though the unsubscribe interface has some problems.
User interface guidelines for when to use a checkbox control and when to use a radio button control. Twelve usability issues for checkboxes and radio buttons.
Both candidates for president of the United States offer email newsletters with much good content to excite supporters, but miserable subscription interfaces and several other usability problems.