Blog
Practical guides on running fair draws, classroom cold-calling, and getting more out of random pickers.
How random name pickers work — and why most of them are unfair
Most online wheel-of-names tools use Math.random(), which is statistically uniform but predictable. Here's why that matters, what crypto.getRandomValues() does differently, and how to verify a name picker is actually fair.
· 3 min readCold-calling fairly: why a random student picker beats memory
Teachers who 'randomly' call on students from memory inevitably bias toward attentiveness, eye contact, and the alphabet. Here's the research, the mechanism, and how a random student picker fixes it.
· 2 min readRunning a fair online giveaway: a practitioner's guide
A practical guide for streamers, creators, and brand managers running giveaways online. Covers verifiability, weight rules, multi-prize patterns, and OBS integration.
· 2 min read