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- Your Inbox Is Stealing Hours From You – Fix It in 10 Seconds
Your Inbox Is Stealing Hours From You – Fix It in 10 Seconds

Hello Ninja AI Enthusiasts!
Ready for a fun and info-packed ride? It’s time for another edition of the Ninja AI Tools Newsletter 🥷
Here’s what’s on the agenda today…
📧 NINJA AI TOOL: Cut Your Email Time in Half
🗞️ WHAT’S HAPPENING: Current AI News
💡 HIGHLIGHTS: Featured Tools From Recent Issues
📈 AI UPDATES: Feature Upgrades & Releases
🆕 HOT OFF THE PRESS: Brand New & Cool AI Tools
NINJA AI TOOL
🆕 Your Inbox Is Stealing Hours From You – Fix It in 10 Seconds
If you’re anything like me, your inbox is a never-ending to-do list.
You spend hours sifting through emails, writing responses, scheduling meetings, and following up. Before you know it, half your workday is gone.
But what if you could automate all of that?
That’s exactly what Serif AI does.
It’s a next-gen AI Email Assistant that connects directly to Gmail and automatically drafts responses for you—in your own voice, without requiring any prompts.
And the setup? It takes 10 seconds.
✉️ What Makes Serif So Powerful?
🔹 Instant Email Responses – New email? Serif instantly understands what’s being asked and drafts a reply that sounds like you—no prompting needed.
🔹 Handles Complex Emails – Need to be more strategic with your response? Serif generates multiple reply options so you can pick the best one.
🔹 Autonomous Scheduling – Serif checks your calendar, suggests available times, and when you confirm—it even sends the invite for you.
🔹 Learns Your Writing Style – Over time, Serif refines its responses to match your unique tone and preferences.
🔹 Works in the Background – No need to switch apps or copy and paste. Serif integrates directly into Gmail, so everything happens inside your inbox.
🚀 How to Get Started in Less Than a Minute
✅ Step 1: Install the Gmail Add-on – Head over to Serif AI and connect it to your Gmail.
✅ Step 2: Start Using It – As you reply to emails, Serif learns your style and gets smarter with every response.
✅ Step 3: Let Serif Do the Work – From now on, every email lands in your inbox with a pre-written response ready to go. Just review, tweak if needed, and send.
🎯 The Future of Email is Here
We’re entering a new era of AI Personal Agents—tools that don’t just assist you but actually think and respond like you would.
Serif isn’t just about automation; it’s about freeing up your time so you can focus on the work that really matters.
No more email overload. No more wasted hours.
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WHAT’S HAPPENING
🗞️ Current AI News
We’ve rounded up the most important AI news from the past 48 hours, ensuring you never miss a thing.

OpenAI's User Base Expansion: OpenAI's weekly active users surpassed 400 million in February, reflecting a substantial increase in the adoption of its AI tools (Link)
Alibaba's Stock Surge: Alibaba's U.S.-listed shares rose approximately 4% in premarket trading after the company announced plans to significantly increase AI infrastructure investments and reports indicated that GameStop CEO Ryan Cohen has acquired a $1 billion stake in the company (Link)
Genspark's Funding Round: AI startup Genspark raised $100 million in a Series A funding round, valuing the company at $530 million, as it seeks to challenge Google's dominance in the search engine market (Link)
DeepSeek's Educational Initiatives: Several Chinese universities, including Shenzhen University, Zhejiang University, Shanghai's Jiao Tong University, and Renmin University of China, have introduced AI courses centered on DeepSeek's advanced models to promote technological innovation and align with China's educational goals (Link)
Nvidia's Market Response: Nvidia's CEO, Jensen Huang, addressed the recent stock sell-off triggered by competition from Chinese AI firm DeepSeek, emphasizing the continued need for Nvidia's computing power, particularly for post-training methods that enhance AI models (Link)
HIGHLIGHTS
💡 AI Tools from Recent Issues
In case you missed our recent issues, here’s a quick recap of the latest AI tools we’ve highlighted.
AdCreative: #1 most used AI tool for advertising. Generate ad banners, texts, photoshoots, and videos that outperform those of your competitors.
Kiwi AI: AI agent teams that supercharge your laborious workflows from product to sales so you can work on what truly pushes boundaries.
Grammarly: Improve grammar, spelling, clarity, and tone across emails, documents, and online communication.
XXAI: Free AI Software for PC. 15 top models including ChatGPT-4o, Claude, Gemini, DeepSeek, and more.
Walter AI: Make your AI text 100% undetectable with Walter AI, your trusted tool for generating plagiarism-free, human-like content.
Submagic: An AI-powered video editing tool that automatically generates dynamic captions, emojis, B-rolls and edits for short-form videos.
AI UPDATES
📈 Feature Upgrades & Releases
Stay up-to-date with the latest in AI Tools!
We’ve gathered the top AI tools updates, upgrades and releases from the past 48 hours so you don’t miss a beat.
Here’s the latest in the world of AI tools…
Microsoft's Preparation for OpenAI's GPT-5 Model: Microsoft is gearing up to host OpenAI's upcoming GPT-4.5 and GPT-5 models. GPT-4.5, codenamed Orion, is expected to be more powerful than GPT-4 and is anticipated to be hosted by Microsoft as soon as next week. GPT-5, incorporating significant technological advancements including the o3 reasoning model, aims to integrate various OpenAI technologies towards achieving artificial general intelligence (AGI) and is likely to be released in late May (Link)
Invoca's Signal AI Studio Enhancements: Invoca has expanded its Signal AI Studio with new features designed to simplify AI signal deployment for analyzing phone calls from search and digital ads. The platform now feeds offline AI data to marketing tools like Google Ads and Google Analytics, enabling better campaign performance tracking and ad spend optimization (Link)
OpenAI's Operator Tool Expansion: OpenAI announced that its AI tool, Operator, has officially launched for Pro users in Australia, Brazil, Canada, India, Japan, Singapore, South Korea, the United Kingdom, and most regions where ChatGPT is available. Operator is an AI agent and web automation tool that accesses websites to execute user-defined goals(Link)
Microsoft Paint's AI Feature Rollout: Microsoft is rolling out a new update for MS Paint on Windows 11, allowing more users to access the Paint Creator mode and other AI-driven features. This expansion aims to enhance user creativity by integrating advanced AI capabilities into the classic Paint application (Link)
Google's Gemini 2.0 Model Updates: Google has announced updates to its Gemini 2.0 Flash model and introduced new models, Gemini 2.0 Flash-Lite and Gemini 2.0 Pro Experimental. These models offer enhanced performance, cost-efficiency, and capabilities for complex prompts and coding tasks, with multimodal input features and large context windows (Link)
xAI's Grok-3 Model Release: Elon Musk's xAI has released its latest flagship AI model, Grok-3, trained with significantly more computing power than its predecessor. Grok-3 includes reasoning capabilities and a DeepSearch feature that scans the internet to generate detailed summaries, positioning it as a competitor to OpenAI's deep research (Link)
HOT OFF THE PRESS
🆕 Brand New & Cool Tools
Every month, hundreds of new websites flood the market—but I’m here to bring you the coolest ones you won’t hear about anywhere else 😎
Posture Watch: The macOS app that protects your eyes and fixes your posture.
Artlas: Your personalized AI art companion.
Jotform: Create powerful forms for Canva.
Basedash: The AI native business intelligence platform.
Bulletpen: AI app that transforms your spoken thoughts and rambles into polished writing.
That’s all for today, folks!
Hope you have a safe weekend. I’ll see ya in your inbox on Monday @noon EST.
P.S. Don’t forget, you can click to unsubscribe if you don’t want us to land in your inbox anymore. No hard feelings.
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