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The Propeller – This Newsletter Might Make You Rich (No Guarantees!) – 8-24-2025

Tech: AI Can Audit Your Life Like a Strategist

Here are 4 prompts you can use with Microsoft Copilot or ChatGPT that will give you clarity most people never get:

Weak-Spot Finder
Prompt: “Audit my daily routine: [list your routine]. Identify weak spots that waste time, drain energy, or harm long-term health. Suggest 3 fixes.”

Hidden Advantage
Prompt: “Analyze my skills: [list them]. Which strengths are undervalued by others but could be turned into a unique edge in my career or business?”

Future Risks
Prompt: “I’m pursuing [goal]. What are 5 future risks including economic, social, technological, and personal that could derail me and how can I prepare now?”

Human Decoder
Prompt: “I had this interaction: [paste message or scenario]. Explain the hidden tone, possible intentions, and what I should read between the lines.”

Tech: Beaming the Future: How a 22-Mile Call Sparked a Wireless Revolution
In 1946, the future of wireless communication beamed across the Pacific, 22 miles at a time.


Just off the coast of California, AT&T and Western Electric built one of America’s earliest microwave relay systems, using repurposed military radar tech to transmit telephone service between Los Angeles and Catalina Island. Operating at 5 GHz, the system relied on two parabolic dishes, one for transmitting, the other for receiving, marking a turning point in how we would send voices through the air.

This wasn’t just a technical feat. It was a glimpse of the postwar transformation, where wartime innovations found peacetime purpose. Born from radar systems used during WWII, this experiment proved that radio waves could leap oceans and mountains, laying the foundation for the microwave backbone that would soon power long-distance calls across the U.S.

What began as a signal across 22 miles would evolve into the invisible web we now take for granted: WiFi, satellite communications, even modern cellular networks. A legacy of engineers who aimed a dish at the horizon and saw a future full of voices. 

 
 
Finance: How NOT to Make Money in Investing

Don’t make these mistakes…

Don’t Keep all your money in a savings/checking account. Savings accounts might feel safe, but they’re not earning you anything. With inflation eating away at your cash, you’re actually losing value over time. Invest that money so it can grow.

Don’t go without an emergency fund. Life happens. Unexpected expenses, job loss, medical bills. If you’re investing everything without a safety net, one surprise could force you to sell investments at a loss just to cover an emergency.

Don’t ignore risk management. No plan for risk is a recipe for disaster. Failing to diversify or not having insurance can leave you vulnerable. A single bad investment or downturn could wipe you out.  This is the perfect reason for doing Index fund investing

Don’t focus on short-term wins over long-term wealth. Chasing quick profits through day trading or trying to time the market rarely works. The real money comes from long-term, strategic investing. Patience and compound growth are what build wealth.

What other investing mistakes can you think of?

Quote of the Week

“We are stronger when we listen, and smarter when we share.”
– RANIA AL-ABDULLAH

This quote speaks to the transformative power of empathy and collaboration. Listening helps us build trust, deepen relationships, and understand others more fully, making us emotionally and socially stronger. Sharing, on the other hand, allows us to exchange knowledge, ideas, and experiences, which broadens our perspectives and makes us wiser. In everyday life, this quote reminds us to be open-hearted and open-minded—whether in personal relationships, workplaces, or communities. By truly listening to others and generously sharing what we know, we create environments where growth, connection, and innovation thrive.

 

Are you ready for Winter?

 

This is re-published from the weekly email sent by Leonard Mack entitled The Propeller.  To subscribe, visit https://www.LeonardMack.com/subscribe and read it every Sunday evening.


This intellectual nourishment is intended for informational purposes only. One should not construe anything herein as being legal, tax, investment, financial, or other advice.


My rule is this – I have no advice to give, only experience to share. I have no interest in being a guru or telling people what they should do. Rather, I share my own experience because there is no right or wrong. Your mileage may vary.