Millie Marconi Profile picture
Founder backed by VC, building AI-driven tech without a technical background. In the chaos of a startup pivot—learning, evolving, and embracing change.

Jun 20, 13 tweets

Grok 3 is secretly a productivity beast.

Use it like this and it replaces:

→ a VA
→ a researcher
→ a content writer
→ even a junior dev

10 crazy-useful prompts:

1. Find a coupon online using Grok’s Deep Search

Tired of opening 12 sketchy tabs for a working promo code?

Grok can do the dirty work for you.

• Searches forums, subreddits, and obscure blogs
• Ignores fake or expired codes
• Pulls the most recent working coupons
• Formats them cleanly for copy/paste

2. Decode any PDF like a pro

Got a 50-page whitepaper or report sitting unread?

Let Grok rip through it in seconds:

• Finds the insights
• Breaks it into summaries
• Answers questions from the doc
• Saves hours of scanning

3. Build apps without writing a line of code

Grok 3 doesn’t just suggest code it writes working prototypes.
You can:

• Design full-stack apps
• Generate frontend + backend
• Integrate APIs
• Deploy-ready in minutes

4. Write content like a human, not a bot

No more ChatGPT-sounding blog posts.

Grok writes with structure, flow, and authority:

• Matches your voice
• Pulls in research + stats
• Formats for SEO
• Actually useful to readers

5. Research anything 10x faster

Instead of endless Google tabs, ask Grok for structured answers.
It’ll:

• Pull live data from X
• Summarize key insights
• Compare viewpoints
• Recommend further reading

6. Build marketing strategies in one prompt

Launching a product? Don’t guess.

Grok can:

• Analyze your niche
• Draft full funnels
• Write ad copy
• Plan social media

7. Turn your chaos into clarity

Voice note, scribbled idea, wall of text Grok turns it into gold.
Use it to:

• Structure messy notes
• Rewrite for clarity
• Extract main ideas
• Format into posts or docs

8. Grow your social audience with 0 guesswork

You don’t need a team to go viral.

Grok can:

• Write hooks that hit
• Analyze what’s working
• Repurpose across formats
• Suggest trends to chase

9. Learn anything in 30 days (with structure)

Don’t let YouTube algorithms plan your education.

Let Grok be your personal tutor:

• Custom learning plans
• Daily goals
• Integrated resources
• Progress checkpoints

10. Automate your life with “Tasks”

xAI just added a killer feature: Tasks

They work like ChatGPT's automations, but smarter.

You can:

• Create recurring jobs
• Set triggers (weekly, daily)
• Get results in your DMs

P.S.

Want your LinkedIn posts to go viral?

Use TestFeed.

Stop guessing and test your content first. I've changed my writing with it.

Join the waitlist → testfeed.ai

I hope you've found this thread helpful.

Follow me @Yesterday_work_ for more.

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