A brief chronology of virtual reality: from laboratory systems to ubiquitous spatial computing
Aryabrata Basu
Oct 2026
Human-computer Interaction
Abstract
Virtual reality (VR) developed through the progressive integration of displays, tracking, computation, interaction, and content rather than through a single device lineage. This article first establishes a systems-oriented vocabulary for virtual environments, immersion and presence, sensory feedback, and interactivity. It then presents two complementary chronologies: a general history of consequential VR developments from 1916 through 25 September 2026, and a focused history of ubiquitous VR design from 1991 through the same cutoff date. The latter follows the transition from assembled laboratory systems to commodity sensing, mobile displays, standalone headsets, mixed-reality platforms, and AI-mediated spatial computing. Together, the chronologies show that ubiquity can no longer be measured by portability or component count alone. It depends on a coherent low-latency perception-action loop and on whether the surrounding platform is deployable, interoperable, inclusive, safe, and trustworthy.
This publication proposes a definition and a classification of agile software development approaches and analyses ten software development methods that can be characterized as being "agile" against the defined criterion.
P. Abrahamsson, O. Salo, Jussi Ronkainen et al.· arXiv.org· 727 citations· ⚡54
The study shows that agile practices improve both informal and formal communication, but indicates that, in larger development situations involving multiple external stakeholders, a mismatch of adequate communication mechanisms can sometimes even hinder the communication.
M. Pikkarainen, Jukka Haikara, O. Salo et al.· Empirical Software Engineeri...· 401 citations· ⚡48
The results indicate that software engineering work practices are chosen opportunistically, adapted and configured to provide value under the constrains imposed by the startup context.
Nicolò Paternoster, Carmine Giardino, M. Unterkalmsteiner et al.· Information and Software Tec...· 394 citations· ⚡54
The perception of the impact of agile methods is predominantly positive, and several challenge areas were discovered, but based on this study, agile methods are here to stay.
M. Laanti, O. Salo, P. Abrahamsson· Information and Software Tec...· 260 citations· ⚡20
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