Sufyan Maan, M.Eng Profile picture
I hike mountains, make things, read biographies of great entrepreneurs, simplify AI, & do 30-day challenges, then share what I learn
Jan 22 14 tweets 5 min read
Internet loves keeping valuable websites hidden from you.

Here are 12 useful websites you probably don’t know existed (until now):

12/12 would bookmark: Image 1. Oncely - Top 1 Lifetime Deal Marketplace for AI Software

→ A New Way of Buying AI Software, Pay once, Use forever.
→ The smartest way to leverage AI in your business and career before everyone else.
→ 60 days money-back guarantee on all deals.
Jan 3 10 tweets 5 min read
Stanford University just released free online courses.

No payment Required.

Here are best courses you don't want to miss in 2025: Image 1. Databases: Advanced Topics in SQL

Learners will be able to:
➜ Implement indexing strategies to enhance database performance.​
➜ Develop and utilize triggers to automate database operations.​
➜ Manipulate views for customized data representation.​

edx.org/learn/sql/stan…
Jan 1 15 tweets 5 min read
Google loves keeping valuable websites hidden from you.

Here are 13 incredibly useful websites you probably didn’t know existed.

Trust me, you’ll want to bookmark these 🔖 Image 1. Felo LiveDoc - World's First Collaborative AI Agent Workspace

→ Visual collaboration workspace where AI agents and humans work together on one intelligent canvas

→ Transform documents, presentations, data, and web content into evolving knowledge hubs, no more switching tools or tabs

→ AI agent teams handle execution while you focus on strategy
Dec 29, 2025 9 tweets 2 min read
STOP TELLING CHATGPT “HOW TO USE EXCEL”

Bad prompt = Bad result.

Use these prompts instead and see the magic: 1. The Excel Task Automation Expert

“Act as a Microsoft Excel expert with 15+ years of experience. Take this complex Excel task and complete it automatically step-by-step. Provide formulas, functions, and instructions that a beginner can follow easily. Task: [describe what you need to do]. Dataset description: [describe data].”
Dec 25, 2025 11 tweets 6 min read
These 9 Unknown Websites will make your life easier.

But beware they are so excellent that it nearly feels ILLEGAL.

[Bookmark for later🔖] Image 1. DuckDuck Go

→ A favored dark web substitute for Google.

→ This private search engine provides non-personalized search results because it won't keep track of your browser history or any other information.

🔗 duckduckgo.com
Dec 8, 2025 12 tweets 4 min read
Gmail has 1.8 billion users.

However, 97% don’t use it effectively.

Here are 10 Gmail hacks you should know: Image 1. Regret sending that email? You can fix it in 30 seconds. Here’s what to do:

Click the settings icon (top right).

Go to Settings > General.

Turn on 'undo send'.

Select 30 seconds. No more email errors!
Dec 1, 2025 10 tweets 5 min read
Book lovers, this is for you.

The best AI websites for free reading and downloads.

10/10 Must Bookmark 🔖 Image 1. Heardly

→ Heardly allows you to easily immerse yourself in the world of books while commuting, exercising, or simply relaxing.
Nov 17, 2025 12 tweets 4 min read
🚨 Most people still think AI begins and ends with ChatGPT

Meanwhile, others are using these 10 insane tools to do months of work in just 24 hours.

Don’t get left behind 👇 Image 1. Introducing CREAO - Indie SaaS Creator

→ Got multiple SaaS ideas but no dev team?
→ Turns natural language into full-stack apps
→ Auto-generates database + backend logic
→ Ready for user testing instantly
→ Build, test, iterate, solo.
Nov 15, 2025 14 tweets 5 min read
Internet loves keeping valuable websites hidden from you.

Here are 12 useful websites you probably don’t know existed (until now) :

12/12 would bookmark: Image 1. Rocket just launched Precision Mode

Over 100 commands that actually do what you say

No guessing. No retries. No rewrites.

Try Precision Mode free → rocket.new/?utm_source=x&…
Oct 1, 2025 7 tweets 2 min read
You're not stuck because of your circumstances.

You're stuck because of your own thoughts.

The conversation you have every single day is with yourself,
and you probably don't even realize it. Image We’re taught to be polite, say "please" and "thank you," and speak kindly to others.

But when was the last time you were taught to do the same for yourself?

We've all had that little voice in our head:

- "I'm not good enough for this."
- "I can't do that."
- "Why do I even bother?"
Mar 10, 2025 13 tweets 2 min read
76% of people feel nervous before a job interview.

But with ChatGPT, you can practice like a pro. Here’s how:

1/ Role-Specific Interview:

Prompt: Image "Act as a [specific job title] interviewer. Ask 5 questions that test the candidate’s [specific skills] and provide feedback on their answers. Tailor follow-ups based on their responses to assess cultural fit and problem-solving abilities."

2/ Behavioral Interview Practice:
Mar 9, 2025 11 tweets 2 min read
I’ve learned more in 1 month with ChatGPT-4o than years of courses.

Here are 8 prompts that can save you thousands of dollars:

1/ Skill-Specific Learning

Prompt: Image "I want to learn [insert skill]. Act as a professional tutor and create a customized learning plan, including resources, exercises, and milestones. Break down the skill into manageable steps and provide actionable advice for progress."

2/ Learning Guide

Prompt:
Feb 14, 2025 10 tweets 2 min read
Sam Altman’s Life Advice—You Need to Hear This

Some advice hits differently.

Let me share it with you—it might give you a new perspective. 👇
credit: B. Lang Image 1/ Relationships come first.

• Don’t put your family, friends, or significant other low on your priority list.
• Deep friendships > lots of acquaintances.
• Stay connected with old friends—they matter more than you realize.
• Cut out negativity. Life’s too short for toxic people.
Feb 13, 2025 7 tweets 2 min read
I read Atomic Habits a year ago, and it changed my life.

12 powerful lessons everyone should know: Image ⤷ Focus on Identity-Based Habits, Not Just Goals

Think about who you want to be, not just what you want to achieve. I started by focusing on becoming someone who prioritizes growth, not just hitting targets.
Feb 6, 2025 9 tweets 2 min read
Work-life balance is outdated.

It assumes work and life are separate.

In reality, they blend together.

That’s why work-life integration is the real goal.

Here’s how you can create a healthy, sustainable system: Image 1️⃣ Set Boundaries

Define your work hours and stick to them.

If your day ends at 5 PM, don’t check emails at 8 PM.

Your time outside work matters just as much as your time inside work.
Nov 30, 2024 13 tweets 3 min read
ChatGPT is a master negotiator.

But most people don't know how to use it.

Let me show you 10 prompts I use for negotiations: Image 1/ Mastering Business Contracts

Prompt:

"Act as a negotiation expert guiding a business owner in securing a favorable contract. Provide key strategies, psychological tactics, and negotiation scripts for both verbal and written communication. The context: [Insert Scenario]. What's the optimal approach?"
Nov 26, 2024 11 tweets 2 min read
I turned ChatGPT into my personal tutor and now I can learn anything I want in just minutes.

These are the prompts I use daily for education: Image 1. Skill-Specific Learning

"I want to learn [insert skill]. Act as a professional tutor and create a customized learning plan, including resources, exercises, and milestones. Break down the skill into manageable steps and provide actionable advice for progress."
Nov 25, 2024 11 tweets 3 min read
The life you want is 365 days away.

Let’s start building it today: Image 1. No one is coming to save you.

The sooner you realize this, the better.

Your life is YOUR responsibility.

Complaining won’t fix anything. Action will.

Your transformation starts when you stop blaming external factors and take control of your choices.
Nov 24, 2024 14 tweets 2 min read
The 10 Rules of IKIGAI:

The Japanese Secrets To a Long and Happy Life. Image The curious never stop growing.

If you want to thrive, start exploring.

The Curiosity Journal delivers experiments, insights, and tools to fuel your success.

💡 Discover your path here, Subscribe today:

sufyanmaan.substack.com
Nov 21, 2024 12 tweets 2 min read
The 5/25 Rule: Improve Your Focus and Success Rate

Let me tell you about a simple yet life-changing framework called the 5/25 Rule, inspired by Warren Buffett.

It’ll help you stop overthinking, overcome FOMO, and focus on what really matters.

Here’s how it works (and how you can use it today):
👇Image We all know Buffett and his late partner, Charlie Munger—legends in investing and decision-making.
One of their secret weapons? Mental models.
Nov 20, 2024 13 tweets 3 min read
The Secret Life of People with High Self-Control

It's Easier Than You Think

🧵👇 Image Ever wonder how some people effortlessly maintain healthy habits, resist junk/fast food, or stay productive without burnout?

Here’s the secret: It’s not about resisting temptation.

Let’s explore the science of self-control and why it’s easier than you think.