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.
Supporting field staff and mission-critical apps are core reasons to take enterprise computing mobile, but users also value access to news and internal social networks.
Users might overlook things that change too fast — and even when they do notice, changeable screen elements are harder to understand in a limited timeframe.
Users aged 65 and older are 43% slower at using websites than users aged 21–55. This is an improvement over previous studies, but designs must change to better accommodate aging users.
