Sobin Sebastian

Sobin Sebastian Founder of BrainStack.au, empowering small Aussie businesses with affordable web design, digital marketing & SEO. Let’s create something extraordinary together.

Tech & space enthusiast dreaming big, building the future of online growth and innovation. Anyone who knows me personally understands my fascination with space and technology. From childhood, I’ve been captivated by the mysteries of the universe and the potential that awaits humanity beyond Earth’s boundaries. My admiration for visionaries like Elon Musk fuels my belief that one day we’ll live among the stars, expanding civilisation across the Moon, planets, and vast motherships. It’s this forward thinking approach that led me to establish BrainStack—a company dedicated to supporting bold ideas and reinvesting profits into space and technology research.

02/10/2026

I renamed my ChatGPT Dot Cortana… and this is starting to feel like having a real AI assistant. 🤖

I’ve connected it with my calendar, emails, Microsoft 365 apps, Teams, Planner, WhatsApp and other tools I use every day.

Now I can simply talk to Cortana and ask things like:

“Check Planner and give me an update on the tasks assigned to my team.”

“Check my messages and tell me what needs my attention.”

“Reply to that message for me.”

“Block some time in my calendar for this.”

Instead of opening different apps, checking everything manually, typing replies and managing my schedule myself, I can increasingly manage my work through a conversation with AI.

We’ve talked about AI assistants for years.

Now they’re actually becoming useful.

02/10/2026

I just finished a meeting with a potential client who asked me an interesting question:

“Why are your services so affordable compared to other agencies?”

My answer was simple: Artificial Intelligence.

AI has completely changed how I run my business.

Instead of building a huge team to handle every repetitive task, I’ve focused on building a smaller team where everyone knows how to work with AI.

And today’s AI is getting seriously powerful.

It can help manage emails, organise information, research, analyse data, create content, assist with planning, work across connected tools and take care of repetitive tasks that would normally consume hours of your day.

I even have my own AI assistant, which I’ve named Cortana. 😄

The way I see it, before hiring another person for a repetitive role, ask yourself:

Could I train an AI to do this instead?

AI doesn’t have to replace your team. It can remove repetitive work from your team so people have more time to think, create, learn and solve bigger problems.

And we’re only at the beginning.

In my next video, I’ll show you Cortana in action and how I actually use AI as a personal assistant in my day-to-day work.

Stay tuned. 👀

26/09/2026

📦 Unboxing something a little different today… bamboo toilet paper! 🎋🧻

Just received our order from Bamboo Only, and we were keen to see what bamboo toilet paper is actually like.

First impression? Soft, nicely packaged and definitely an interesting alternative to regular toilet paper. 🌿

If you’ve been thinking about making a simple switch to bamboo paper products, this could be worth trying for yourself.

Check out Bamboo Only online, explore their range and give bamboo toilet paper a go. You might be surprised by how easy the switch is.

🌐 bambooonly.com.au

SustainableLiving AustralianBusiness BambooProducts EcoFriendlyProducts SustainableChoices

23/09/2026

🚀 Another Client Website, Live!

We’re excited to launch the new website for Mobile Pink Slip Sydney, built to create a stronger digital presence and make it easier for customers to find and connect with the business.

From building the brand to driving ongoing growth, we’ve worked across the complete digital presence.

What we did:
✓ Logo Design
✓ Brand Identity
✓ Website Design & Development
✓ Ongoing Social Media Management
✓ Ongoing Search Engine Optimisation (SEO)
✓ Ongoing Google Ads Management

🌐 Check out the new website:
https://www.mobilepinkslipsydney.com.au/

Another business with a stronger foundation for digital growth.

SEO GoogleAds SocialMediaMarketing DigitalMarketing SydneyBusiness MobilePinkSlipSydney

19/09/2026

🚀 Another New Website Is Live

After weeks of ideas, revisions, back-and-forth with our team and the client, we’re excited to finally launch the brand-new website for AA Mobile Mechanics.

AA Mobile Mechanics makes car repairs easier by bringing the mechanic directly to you. Whether you’re at home, at work, or stuck somewhere with a car issue, their mobile mechanic service comes to your location to diagnose, repair and get you back on the road.

Our goal with this website was simple, create a clean, professional and easy-to-use online presence that clearly communicates their services and makes it easier for customers to get in touch.

Another project completed. Another business ready to grow online. 💻🚗

🌐 aamobilemechanics.com.au

SmallBusinessAustralia WebsiteDesign DigitalMarketing BusinessGrowth NewWebsite WebDevelopment

16/09/2026

🚀 Pourly is officially live.

Today we’re launching Pourly, a new Australian e-commerce website built for selling wh**ky, spirits, b**r and more online.

From the overall website experience and product presentation to creating a smooth e-commerce journey, the goal was simple, build a store that looks professional, feels easy to use and is ready to sell.

🌐 pourly.com.au

Another e-commerce project officially launched.

Thinking about starting your own online store?

Whether you’re launching a new brand, moving your existing business online, or your current website simply needs an upgrade, we can help you build an e-commerce website designed around your products, customers and growth.

CTA: Ready to launch your own e-commerce website? Send us a DM and let’s build it.

ShopifyDesign WebDesignAustralia MelbourneBusiness DigitalAgency BusinessGrowth

15/09/2026

A cheap website can become a very expensive website.

Today I signed a new client who already had a website and digital marketing in place, but after auditing everything, I found problems that I see far too often.

Old template content and metadata left behind.
No clear branding strategy.
SEO pages created without proper keyword research or search intent.
Ongoing fees just to make basic website changes.

There’s nothing wrong with outsourcing your website or marketing overseas. The problem is choosing purely based on the cheapest quote without knowing what you’re actually getting.

Your website isn’t just something that needs to “look good”.

It should clearly represent your brand, target the right searches, speak to the right customers and ultimately help generate qualified leads for your business.

Before choosing an agency, ask the right questions:

Who owns the website, domain and advertising accounts?
What is the actual SEO strategy?
What happens after the website launches?
Who handles updates and ongoing support?
Do they understand your customers and the Australian market?

Cheap doesn’t always mean cost-effective.

If you’re starting a business in Australia, or you already have a website but aren’t sure whether your digital marketing is set up properly, I’m happy to take a look.

Send me a message.

Let’s have a chat and talk business.

BusinessGrowth LeadGeneration DigitalMarketing WebDesign MarketingStrategy

10/09/2026

Did you know we create videos too?

From AI generated videos to professional video editing, we help businesses create engaging content that stands out and grabs attention.

Here’s one of the AI videos we recently created for one of our clients.

Whether you need social media reels, promotional videos, AI generated content or professional video editing, we can help bring your ideas to life.

Need video content for your business?

📩 Get in touch with us and let’s create something that gets people watching.

DigitalMarketing BusinessMarketing ReelsContent

08/09/2026

✨ Rayyan Café is now online ☕🍰

I am excited to officially launch the new Rayyan Café website, designed to bring the same warm, vibrant and welcoming experience online that you enjoy in-store.

Explore our café, discover what we offer and get to know Rayyan Café a little better.

🌐 Visit: www.rayyancafe.com.au

A fresh website for a brand built around great flavours, good moments and even better company. ❤️

NewWebsite CafeExperience

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