Why Join
whyjoin.substack.com
Why Join
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business and tech, filtered.
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Startups that raised. Here's what caught our eye.

Full breakdowns in today's Why Join.
Somebody Must Have Fixed This
A self-driving construction kit, AI that actually gets paid, and healthcare's fax machine problem.
whyjoin.substack.com
Teams hiring right now:

Full roles + links in today's Why Join.
Somebody Must Have Fixed This
A self-driving construction kit, AI that actually gets paid, and healthcare's fax machine problem.
whyjoin.substack.com
April 23, 2026 at 2:16 PM
Startups that raised. Here's what caught our eye.

Full breakdowns in today's Why Join.
Somebody Must Have Fixed This
A self-driving construction kit, AI that actually gets paid, and healthcare's fax machine problem.
whyjoin.substack.com
April 23, 2026 at 2:13 PM
What we're reading this week:

Full breakdown in today's Why Join.

‏➜ SpaceX partners with Cursor, has option to buy for $60B. Cursor was $2.5B in Jan 2025. $9B by May. $29.3B by November. Now this. Two senior Cursor engineers already left for xAI last month.
Somebody Must Have Fixed This
A self-driving construction kit, AI that actually gets paid, and healthcare's fax machine problem.
whyjoin.substack.com
April 23, 2026 at 10:46 AM
Allbirds went from $4B to $21M to selling for $39M. Then they added "AI" to the name and the stock popped 800% in a day. There's no AI. There's no product. Just a ticker symbol that learned the password.
Struggling shoe retailer Allbirds makes bizarre pivot to AI, adds $127 million in value
Allbirds announced a deal with American Exchange Group to sell its intellectual property and other assets for $39 million in March.
www.cnbc.com
April 16, 2026 at 2:51 PM