Sources
Every source backing a fact on Vodafone's own page, deduplicated — the same source backing several facts appears once.
- https://dl.acm.org/action/showFmPdf?doi=10.1145%2F1613858 — https://dl.acm.org/action/showFmPdf?doi=10.1145%2F1613858
- https://dl.acm.org/doi/proceedings/10.1145/1377999 — https://dl.acm.org/doi/proceedings/10.1145/1377999
- https://dl.acm.org/doi/proceedings/10.1145/1613858 — https://dl.acm.org/doi/proceedings/10.1145/1613858
- https://github.com/sven-mayer/chi-statistics — https://github.com/sven-mayer/chi-statistics
- https://github.com/sven-mayer/mobilehci-statistics — https://github.com/sven-mayer/mobilehci-statistics
- https://iss.acm.org/ — https://iss.acm.org/