Sly by Design

What the documents say Discovery Miles are

A currency that isn't one: what the documents say Discovery Miles are

Arnold Petersen
Date : 24 Jul, 2026
Categories : Registry analysis
Tags : Discovery Discovery miles Unilateral change Forfeiture Estate

deceptive service level contract with stacking services

Organised by combination: how the rules are published, and what that structure shows

Arnold Petersen
Date : 24 Jul, 2026
Categories : Registry analysis
Tags : Discovery Product rules Cross product gating Documentation

lock-in mechanism, a deliberate architecture

The lock-in evolved: from contract terms to economic architecture

Arnold Petersen
Date : 25 Jul, 2026
Categories : Registry analysis
Tags : Discovery Lock in Unilateral change Forfeiture Cross product gating

contract complexities and hard to exit

What happens to your Discovery Miles when you leave

Arnold Petersen
Date : 24 Jul, 2026
Categories : Registry analysis
Tags : Discovery Discovery miles Forfeiture Consumer explainer

a benefit that expires if unused

Use it or lose it: how Vitality Fitness benefits expire

Arnold Petersen
Date : 27 Jul, 2026
Categories : Registry analysis
Tags : Discovery Vitality fitness Vitality money Forfeiture Consumer explainer

one membership, one main member, several people bound by the same choices

One membership, one main member: the household layer of Vitality's rules

Arnold Petersen
Date : 04 Sep, 2026
Categories : Registry analysis
Tags : Discovery Vitality health Vitality active Household Consent Rights asymmetry