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Essays on entrepreneurship, clean technology, venture capital, innovation, and public policy.

October 19, 2026 • David M. Gold

Electricity is the flow of charge; energy is the work it performs

Electricity is the flow of charge; energy is the work it performs. That is the clean answer, and it is the one I trust most.

October 19, 2026 • David M. Gold

EasyGrow uses 12-step funnel to scale 7-figure agency

What does a client funnel actually do when an agency says it has scaled to seven figures?

October 18, 2026 • David M. Gold

Invest in low-cost index funds for steady growth.

I keep coming back to a simple answer: low-cost index funds are the clearest place to put money for steady growth. The reason is plain.

October 18, 2026 • David M. Gold

Google Merchant Center updates affect March 13 listings

The problem is simple to state: a Google Merchant Center approval can look like the finish line, then turn into a review of one small mistake.

October 17, 2026 • David M. Gold

Google Finance provides real-time market data and portfolio tracking.

Google Finance gives a plain answer before it gives a polished one.

October 17, 2026 • David M. Gold

EasyGrow paid systems boost dating offers via YouTube ads

A bad funnel can make a good offer look weak. That is the lesson here, and it is a simple one with expensive consequences.

October 16, 2026 • David M. Gold

Advanced energy systems boost grid stability and efficiency

Advanced energy systems do boost grid stability and efficiency. That is the plain answer.

October 16, 2026 • David M. Gold

12 seven-figure Facebook ad copy structures

The hard part is not writing more ads. It is knowing which ad structure still works when the platform changes under it.

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Original essays by David M. Gold, preserved and modernized from the 2009–2013 GreenGold blog.

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