Mindstorm
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ENGLISH ARTICLES

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Tryfon Papadopoulos
THOUGHTS

You do need to travel from time to time

You do need to travel from time to time. To charge your batteries. To choose your battles. To appreciate time and space. To change your perspective. To be more energetic. To spend time with your people or yourself. To check your highs and lows. To find inspiration and your rallying cry. Question: What is rallying cry? Answer: A rallying cry is a powerful phrase, slogan, or statement meant to inspire people to unite and take action, especially around a cause, belief, or goal. Definition: Rallying cry (noun) = A motivating call to action that brings people together for a common purpose, often during times of struggle, protest, or collective effort. Key characteristics: Emotional impact: It fires people up. Unifying: It gives people something to chant, repeat, or believe in together. Purpose-driven: It’s tied to a movement, mission, or moment. Examples: “No justice, no peace!” – A rallying cry for racial…

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BUSINESS

Explain the math or logic behind how you calculate the return on investment (ROI) for a marketing campaign you managed last year

ROI in marketing isn’t complicated mathematically—but the real difficulty is defining what counts as “return” and what costs you include. I’ll break it down both formula-wise and practically. 🔹 2. What counts as “Return”? This is where most people go wrong. ✅ Best case (ideal): Direct revenue from campaign conversions Example: Campaign generated €50,000 in sales ⚠️ Sometimes more complex: Depending on your setup, you might use: Attributed revenue (from tracking tools) Incremental revenue (what wouldn’t have happened without the campaign) Customer Lifetime Value (CLV) (if campaign brings new customers) 👉 Example with CLV: 100 new customers × €200 lifetime value = €20,000 return 🔹 3. What counts as “Investment”? You need the full cost, not just ad spend. Include: Ad spend (Google, Meta, etc.) Creative production (videos, design) Agency or team costs Tools/software (if significant) 👉 Example: Ads: €10,000 Creative: €2,000 Total cost: €12,000 🔹 6. The Real Logic…

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Infographic showing three categories of interview questions: Mental Resilience, Mathematical Reasoning, and Cooperative Abilities, with icons and text about adaptability, data analysis, and teamwork for evaluating applicants.
ALL

20 interview/screening questions designed to assess an applicant’s mental resilience, mathematical reasoning, and cooperative abilities

Here are 20 interview/screening questions designed to assess an applicant’s mental resilience, mathematical reasoning, and cooperative abilities. They are categorized for clarity, mixing multiple-choice (MCQ) and open-ended formats to help you gauge different types of skills. Section A: Mental Factors (Cognitive Agility & Stress) These questions assess adaptability, learning speed, and emotional regulation. [Open-Ended] Describe a time you had to learn a complex new skill or software very quickly to meet a tight deadline. How did you approach the learning curve? [Multiple Choice] When you receive feedback that contradicts your self-assessment of a project, what is your immediate reaction? * A) I ignore it to maintain confidence. * B) I ask clarifying questions to understand the perspective before revising my approach. * C) I argue my point of view until they agree. * D) I accept it without questioning it, even if I feel wrong. (Best practice: B) [Open-Ended] Imagine…

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Task Manager
MANAGEMENT

Demo Task Manager

EN – This Task Manager is a lightweight interactive tool built with HTML, CSS, JavaScript, and WordPress AJAX. It allows you to create, edit, organize, and track tasks directly inside a WordPress port or page. Each task includes a title, priority level, tag, and date added, and can be marked as completed, updated inline, or removed. All data is stored in a JSON file on the server (tasks.json), meaning your tasks are persistent, shared across devices, and not tied to a single browser like localStorage. How to use it: Add a new task using the input fields and click Add Task Click on a task to mark it as completed or active Use Edit to modify a task inline, then Save or Cancel Click ✕ to delete a task Use the dropdown to sort tasks by date, priority, tag, or name Click Clear All to remove all tasks Click Download…

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How to hack your own brain
THOUGHTS

How to hack your own brain

How To Hack Your Own Brain DOPAMINEThe Reward Chemical• Completing a task• Eating food• Celebrating little wins• Self-care activities OXYTOCINThe Love Hormone• Playing with a baby• Playing with a dog• Give a compliment• Hold hands• Hug family SEROTONINThe Mood Stabilizer• Praying• Walking in nature• Running• Sun exposure• Cycling• Swimming MELATONINThe Sleep Hormone• Dim your lights at night• Reducing screen time• Sun exposure• Eating right• Relaxing activities

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Quiet habits of success
BUSINESS

18 Quiet Habits of Top Salespeople

EN – 18 Quiet Habits of Top Salespeople They close deals without making noise. They let the client talk first and last. They sell the outcome, not the product. They stay in the room when others walk away. They control emotions – no highs, no lows. They let silence do the heavy lifting. They never beg for the deal. They earn respect, not attention. They keep their poker face, no matter what’s said. They handle objections before they’re spoken. They kill jargon and speak human. They don’t just follow up – they stay top of mind. They never overpromise. They work the deal, not the room. They show up ready, not hopeful. They make clients feel they discovered the solution. They know when to put their ego aside. They focus on the client, not their own agenda. — GR – 18 Συνήθειες των Κορυφαίων Πωλητών Κλείνουν συμφωνίες χωρίς να κάνουν θόρυβο.…

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Μικρόκοσμος
THOUGHTS

Οι περισσότεροι από εμάς παραμένουμε στο ίδιο σημείο

If most of us remain ignorant of ourselves, it is because self-knowledge is painful and we prefer the pleasures of illusion. Οι περισσότεροι από εμάς παραμένουμε στο ίδιο σημείο. Στην άγνοιά μας. Στην καθημερινότητά μας. Η αυτογνωσία είναι επίπονη. Βολευόμαστε με το να απολαμβάνουμε τον επιφανειακό μικρόκοσμό μας. #knowledge #illusion #ignorance #mindstormGR

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