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Oliver Buchannon
JA Westenberg

Tech writer (Wired, TIME, TNW), angel investor, CMO. Founder, Studio Self. Publishing Westenberg, The Index & Signalvs.

The Index is a blog // newsletter about tech, startups, and culture. It’s part analysis, part notebook and part feed, blending insider knowledge with an outsider’s perspective.

The Index runs in three channels:

  • The Feed - quick, ongoing commentary on the week’s developments in tech, startups, and political power plays.

  • The Ledger - long-form analysis that digs into a single topic: market shifts, policy battles, founder strategies, geopolitical undercurrents.

  • The Dispatch - a curated, time-sensitive newsletter linking breaking events to deeper structural trends.

Access & Membership

The paid tier - The Index Plus - unlocks all Ledger essays, full Dispatch archives, and the ability to receive every post straight to your inbox. $10/month or $100/year.

Free subscribers get one Ledger essay per week, plus access to public posts in The Feed.

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The Index is published by JA Westenberg & Studio Self

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