Raluca Budiu is a Senior Researcher with Nielsen Norman Group. At NN/g she consults for clients from a variety of industries and presents tutorials on mobile and tablet usability, cognitive psychology for designers, and principles of human computer interaction. She coauthored the NN/g reports on tablet usability, mobile usability, iPad usability, and the usability of children's websites, and the book "Mobile Usability". Raluca also served as a judge for GSMA Global Mobile Awards 2012-2014 and Tabby Awards 2013. She holds a Ph.D. from Carnegie Mellon University. Read more about Raluca
April 19, 2015
Mobile design must reflect smartphone constraints and strengths: small screen, short sessions, single window, touch interaction, GPS and other phone features.
March 22, 2015
Mobile usability has improved over the past 7 years due to better prioritization of content over UI elements and better understanding of the users’ needs.
March 1, 2015
Mobile-phone users have difficulty combining information from multiple apps. Support for multitasking is inherently limited by the mobile-screen size.
November 9, 2014
Book-reading apps need to support rich hyperlinking, nonsequential navigation, and high-quality, detailed illustrations.
September 7, 2014
When websites prioritize search over navigation, users must invest cognitive effort to create queries and to deal with the weak implementations of site search.
August 3, 2014
On a large screen, hiding the chrome significantly affects discoverability and interaction cost, with virtually no improvement to the content-to-chrome ratio.