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Your customers are moving through the world in real time, and Customer.io now shows up with them: on the lock screen, in the real world, through the channels they actually use. Here's what shipped 🧵
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Happy Halloween from the CIO Boo Crew 👻
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It may not be an F1 car, but it delivers the right message fast 🚚

Cruised around in our ATX billboard truck to celebrate Formula 1 weekend 😎
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Google made Hyperdisk generally available in 2024.

This storage type shares many characteristics with Persistent Disk; however, Hyperdisk’s higher performance limits are shared across reads and writes. Hyperdisk Balanced (HDB) supports up to 2,400 MiB/s of combined read/write ice, cut once. To ensure compatibility with our fleet, we needed to validate that HDB provides at least the same performance as PD-Balanced.

Read the full article to see how we doubled throughout for half the price: customer.io/learn/how-we-w…
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A haunted house, but it's just your email getting sent to spam
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By migrating our petabyte-scale MySQL fleet to Google Cloud Hyperdisk, we doubled peak disk throughput while cutting block storage costs in half.

Eliminating doublewrite not only has improved our peak disk throughput, we observed improvements in our foreground flush latency as ticle to learn how: customer.io/learn/how-we-w…
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Excited to partner with you!
New perks for Atlas founders:

@supabase: up to $500 in platform credits
@elevenlabs: 12 months of free access
@cloudflare: $100,000 USD in product credits
@meetgranola: 12 months of Granola Business for up to 30 seats
@joinellis: 30-min consult + $2,000 off an O-1 or $1,000 off @squarespace: 20% off your Squarespace website for the first year
@customerio: 1 year of Customer.io Startup plan and 50% the following year
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A haunted house, but it's just another new messaging channel
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A haunted house, but it's just "thought leaders" saying email marketing is dead
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A haunted house, but it's just an email list that hasn't opted in
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A haunted house, but it's just UNSUBSCRIBE in all caps
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Thanks for the shout, Thibaut Davoult!

We're honored that you're digging the way we've integrated AI into our workflow.
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Our email marketing software now has games?

why @CustomerIO
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Replying to @KrisBennatti
@KrisBennatti Guilty 😅
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UNSUBSCRIBE!

We asked marketers at Drive by @exitfivemedia what they're unsubscribing from vs. what they'll stay loyal to forever.
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See you soon, Stockholm! Our team will be at MadTech 2026 on October 7th.

Make sure to attend our session with Matt Lane, Manager, Account Management here at Customer.io, and Richard Meurlin, Head of Growth Marketing at Nordnet Bank AB.

They'll share what it takes onalization into meaningful, lasting engagement.
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Cheers to Hispanic Heritage Month 🍸

Last Friday, we hosted a virtual mixology class with the team where we made margaritas, caipirinhas, and palomas!
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"Who wrote this?!" - Dave Gerhardt

We set out to build the worst email ever and shared it with Dave to gauge his reaction.

To achieve this, we played Mad Libs with marketers we met at Drive by Exit Five.

How did we do? Have you seen a worse email?
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Anyone leaving Dreamforce still has time to wave at our billboard on your way to the SFO airport 👀
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See you at DMEXCO, digital marketers!

We'll be in Hall 6.1 at Booth E015 answering all your customer messaging questions.

Who will we see in Germany next week?
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You heard it here first, folks.

Tell your Agent what you want to achieve. It will build, analyze, and optimize in one conversation.

AI that does the work, not just the talking.
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Reddit AMA tomorrow: email deliverability, spam filters, and why your sender reputation matters.

11am-1pm ET on r/OfficialCustomerio.

Brad Gurley runs deliverability at Customer.io.

He'll answer your questions about getting into inboxes, authentication, ation, or whatever you want to know.
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