December 2025
- Dec 28, 2025TechnologyIntegrating Privacy by Design in SystemsApple's App Tracking Transparency made cross-app tracking require explicit permission, with no tracking as the default. Flurry Analytics measured global opt-in at roughly 13 to 14 percent, leaving about 85 percent of iOS users untrackable across third-party apps. Meta disclosed the change cost it $10 billion in 2022 ad revenue. That is what a default is worth. This covers Cavoukian's seven principles, data minimization and the main privacy-enhancing technologies.
- Dec 25, 2025TechnologyNavigating Security Trade-offs for UsabilitySecurity is a cost-benefit analysis, not an absolute standard. NIST reversed decades of guidance in its 2017 SP 800-63B by dropping mandatory password complexity and rotation, because users answered those rules with sticky notes and predictable patterns. Cormac Herley's 2009 Microsoft Research paper showed why: when compliance costs more than the expected loss, ignoring the advice is rational. Usability failures are security failures.
- Dec 19, 2025TechnologyBest Practices for Effective Data VisualizationPosition along a common scale won, then length, then angle, then area, with color saturation and volume worst, which is why bar charts beat pie charts and why 3D effects and bubble sizes mislead. Their 1984 paper is the reason these rules exist rather than being matters of taste. The page covers Tufte's data-ink ratio, direct labeling over legends, sequential and diverging color, and how truncated axes and dual axes distort what readers conclude.
August 2025
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