Google co-founder Sergey Brin has now spent $100 million to fight the billionaire tax
Google co-founder Sergey Brin has donated another $20 million to Build a Better California, an organization advocating against California’s proposed billionaire tax, per a new filing. That means that the world’s fourth richest man, whose net worth hovers around $267 billion, has now spent more than $100 million to avoid an estimated $13.3 billion tax payment. California’s Prop 40, known as the billionaire tax, would impose a one-time 5% tax on the net worth of around 200 billionaires that live in the state.
- ▪Google co-founder Sergey Brin has donated another $20 million to Build a Better California, an organization advocating against California’s proposed billionaire tax, per a new filing.
- ▪That means that the world’s fourth richest man, whose net worth hovers around $267 billion, has now spent more than $100 million to avoid an estimated $13.3 billion tax payment.
- ▪California’s Prop 40, known as the billionaire tax, would impose a one-time 5% tax on the net worth of around 200 billionaires that live in the state.
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| Original publisher | TechCrunch |
| Canonical URL | https://techcrunch.com/2026/08/10/google-co-founder-sergey-brin-has-now-spent-100-million-to-fight-the-billionaire-tax/ |
| Publication time | Mon, 10 Aug 2026 21:20:04 +0000 |
| Retrieval time | 2026-08-10T21:20:48.185Z |
| Last seen | 2026-08-10T21:20:48.185Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | ZPReXBLL6j9k · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Google co-founder Sergey Brin has donated another $20 million to Build a Better California, an organization advocating against California’s proposed billionaire tax, per a new filing. That means that the world’s fourth richest man, whose net worth hovers around $267 billion, has now spent more than $100 million to avoid an estimated $13.3 billion tax payment. California’s Prop 40, known as the billionaire tax, would impose a one-time 5% tax on the net worth of around 200 billionaires that live in the state. The windfall from this proposed tax would mostly go toward funding California’s healthcare programs. The state’s Medicaid program alone could lose up to $30 billion in federal funding once Trump’s budget cuts take effect next year.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at TechCrunch.
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