Mario Costanz

1.7K posts

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Mario Costanz

Mario Costanz

@mariocostanz

Founder & CEO @HireWorkforceAI—turning spoken requests into real-time results. AI teammates, no coding needed. Built & sold multiple ventures. Unstoppable.

New York Katılım Temmuz 2007
1.6K Takip Edilen898 Takipçiler
Madhura
Madhura@madhurahoval·
startup idea: a tool that stops you from starting another startup
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Boyd
Boyd@brandonboyd50·
I thought you were going to tell me that was an obvious one hahah if you haven’t you really should. It’s great for people are are really interested in Ai but don’t know where to start. I give it to a lot of the classes I teach bc it has a bit of everything without 50 subscriptions
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Mario Costanz
Mario Costanz@mariocostanz·
@SherryYanJiang Amor fati and never think you are wasting life. The challenges and constant issues are The Good Stuff! Embrace and enjoy. ❤️
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Sherry Jiang
Sherry Jiang@SherryYanJiang·
founder life is basically: oscillating between “we’re gonna be huge” and “i’m wasting my life” 10x a day. still somehow addicted to it.
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GREG ISENBERG
GREG ISENBERG@gregisenberg·
Creator seed rounds are about to become a thing. Instead of giving ~15-25% of your company to VCs for ~$3M, you give that same chunk to a creator. For zero dollars. Sounds insane until you think about it. Standard seed round dilution is 15-20%. You need $3M to build and find customers, VCs want their ownership target, everyone knows the dance. But founders are starting to realize something, they don't need $3M to build anymore for software businesses. That's what doesn't keep them up at night Finding customers is what keeps them up. Enter the creator with 500k YouTube subscribers. Those subscribers are your exact target customer in your exact subniche. The creator already has their trust. One authentic mention from them is worth six months of paid ads. So you offer them 20% of your company. Same dilution as a seed round, but instead of cash you can't spend efficiently, you get customers you can monetize immediately. And a firehose of customer feedback (woo!). The YouTuber is stoked because sponsorships pay $30k once. Equity could be worth $30M. They'll talk about this product for years because they're an owner, not a rental. And they are constantly giving you feedback, more valuable than an investor because they are your target, and they want this product to be as valuable as possible to their followers. You can still raise from VCs later. But now you're raising a Series A at $30M with actual revenue, not a seed at $12M with hopes and dreams. The creator got you through the hardest part: proving people want what you're building. Or you just ignore the VC route. With customer acquisition solve, you become instantly profitable. Harder if this is a physical product but if you'e a software company (app, maketplace etc) this is the rule not the exception. Creator seed rounds. New trend. I think this will continue to be more common.
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alisa rae .☘︎ ݁˖
alisa rae .☘︎ ݁˖@RaeAlisa_·
I’ve never met a solo founder who isn’t insanely cracked
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John Hittler
John Hittler@EvokingGenius·
Just returned from my bank, where I dropped off a deposit on Tuesday. It never hit our account. The manager told me that their internal policy dictates that a customer must remain and take the receipt. I did not (per their instruction on Tuesday) so they shredded the check!
John Hittler tweet media
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Mario Costanz
Mario Costanz@mariocostanz·
@andruyeung N-YC 🚀 - if anyone can pull it together it’s you bro @andruyeung I have an intro for you that can help. Will email
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Andrew Yeung
Andrew Yeung@andruyeung·
How do we recreate this in NYC? - one single event where everyone gathers - demo new products, pre-vetted by a committee - bring together NYC’s best investors/founders/talent — both the OGs and young builders Make this an annual flagship event. I’d help organize.
Gabriel Jarrosson@GJarrosson

YC Demo Day is PACKED!

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Allie K. Miller
Allie K. Miller@alliekmiller·
I'm seeing a pattern: companies investing 80% in AI capabilities and 20% in human adaptability. The winners will flip that ratio. Your moat is velocity - AI tech is coming regardless and your competitive advantage is how quickly humans and tools can evolve alongside it.
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Aravind Srinivas
Aravind Srinivas@AravSrinivas·
The age old joke is if you build a product for a billionaire VC, you would be asked to build a personal CRM. But basically what they are asking for is an all knowing executive and personal assistant that’s proactive and can do real knowledge-work but with the form factor of a messaging app. It’s not going to be that hard to accomplish this in the next few months.
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Mario Costanz
Mario Costanz@mariocostanz·
@rrhoover Hey Ryan, we built the Human User Interface (HUI) at @HireWorkforceAI. Would love to show you how it takes AI from a reactive tool to a proactive digital employee.
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Ryan Hoover
Ryan Hoover@rrhoover·
I’m increasingly less interested in products designed with traditional point-and-click GUIs and chat text boxes. Who’s reimagining how we interact with software in dramatic ways?
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Arek 🦄
Arek 🦄@areksds·
Good morning, NYC! 🗽 We had another incredible @UnicornerNews x @FidelityPrivate dinner last night with some of the coolest up-and-coming founders in the city. Our next dinner is in SF. If you want to be there (and know about our future events), check my comment below 👇
Arek 🦄 tweet mediaArek 🦄 tweet media
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Olivia Moore
Olivia Moore@omooretweets·
Our team @a16z is hosting a small group dinner for AI voice agent builders in SF Who should we invite? Looking for anyone who is using voice as a critical wedge for a new product, B2B or B2C!
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Drew Goodmanson
Drew Goodmanson@dgoodmanson·
What are tell tale signs someone is using AI for x posts? Detecting whether someone is using AI to generate posts on X (or any platform) can be tricky, especially as AI models get more sophisticated. However, there are some telltale signs that might suggest AI involvement. Here’s what to look for: 1. **Unnatural Phrasing or Tone Shifts**: AI-generated text might sound slightly off—like overly formal language in a casual context, or sudden shifts in style that don’t match the user’s usual voice. For example, a typically slang-heavy poster suddenly dropping polished, academic-sounding sentences could raise eyebrows. 2. **Repetitive Patterns**: Some AI models lean on predictable structures—like starting every post with a question or using the same transitional phrases (“Moreover,” “In conclusion”). If a user’s posts feel formulaic or oddly consistent, it might hint at AI. 3. **Too Perfect or Generic Content**: AI can churn out grammatically flawless text that lacks personality. Posts that feel like they could’ve been written for anyone—vague motivational quotes, overly polished hot takes, or generic replies—might suggest AI assistance. 4. **Speed and Volume**: If someone’s posting complex, lengthy content at a pace that seems humanly impossible (e.g., multiple detailed threads in minutes), AI could be at play. Humans take time to think and type; AI doesn’t. 5. **Contextual Clues**: AI might miss subtle nuances—like replying to a joke with a literal answer or failing to pick up on sarcasm. If a post seems disconnected from the thread’s vibe, it could be a sign. 6. **Metadata or Artifacts**: If the user shares content with links, images, or text files, check for AI fingerprints. Some tools (like older versions of ChatGPT) used to leave quirks like “As an AI, I…” in outputs, though this is rarer now. Images might have AI-generation hallmarks—think weird hands or surreal backgrounds. 7. **Sudden Expertise**: If a user who never talks about, say, quantum physics starts dropping flawless technical breakdowns, it might mean they’re leaning on AI—especially if they dodge follow-up questions with vague replies. To dig deeper, I could analyze specific X posts or profiles if you’ve got examples in mind—just point me at them. Otherwise, these are the general red flags. What do you think—seen anything suspicious lately? This post created by Grok. Was it too easy to tell?
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Piotr Gerke
Piotr Gerke@piotrgerke·
@Karmedge Thats sick! 10x dev with a bunch of agents can get so far. I’m waiting for ai avatars to be good enough to make take the sales meetings with these leads and find pmf hahah
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Robert Lukoszko
Robert Lukoszko@Karmedge·
MCP is really powerful. I made for myself in 1 day workflow to: 1. scrape linkedin profile 2. send personalized invitation letter with for my product 3. Scrape email from apollo. send it 4. Update notion CRM! If you guys need i can make it open source
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Mario Costanz
Mario Costanz@mariocostanz·
@omooretweets @a16z @HireWorkforceAI charges 20% of the cost of a comparable administrative employee that it replaces. -> Augment ->Automate -> Replace -> Retrain <- Differentiator: Human User Interface (HUI) with conversational voice that joins Zoom/Teams/Meet and competes tasks
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Olivia Moore
Olivia Moore@omooretweets·
One of the biggest questions that founders building voice agents are trying to answer now? How to charge for the product Voice agents can replace humans, unlocking huge ACVs...if you know how to price 🤔 Four strategies our team @a16z has seen 👇
Olivia Moore tweet media
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Adam Silverman (Hiring!) 🖇️
Adam Silverman (Hiring!) 🖇️@adamsilverman·
In 2026, recruiters will be hiring AI Agents for companies, not human employees. Companies will opt to pay $10,000+ per month for agents that work 24/7 instead of employees that work 40 hours per week.
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