Snap Inc.

Sierra

Snap Inc.

Snap's revenue comes almost entirely from advertising. Brands pay to run ads between Stories, in the Discover section, and through sponsored AR Lenses and Filters.

The ad business is powered by the time users spend on the platform — over 40 minutes per day for the average user under 25.

Snapchat+ is a subscription product launched in 2022 at $3.99/month, offering exclusive features like custom app icons, Story rewatch indicators, and priority support. It hit 12 million subscribers by 2024 — meaningful but still a small fraction of total revenue.

Snap also sells hardware — Spectacles (AR glasses) — but this has been more of an R&D investment than a revenue driver. Hardware revenue is negligible.

The long-term bet is that AR glasses become the next computing platform, and Snap wants to be the one building the operating system for your face.

Sierra

Companies pay Sierra to run their customer service with AI agents instead of hiring rooms full of humans. The agent talks to your customers over chat.

It answers questions. It processes returns.

It updates subscriptions. Here is the clever part.

Sierra charges based on outcomes, not seats. Brands pay when the AI actually resolves a problem, not just for having the software installed.

That pricing is unusual. Most software charges a flat monthly fee no matter what.

Sierra only gets paid when the bot does the job.

Snap Inc.

The origin story of Snapchat involves a Stanford fraternity, a disputed idea, and a lawsuit. In April 2011, Reggie Brown pitched the concept of disappearing photos to Evan Spiegel in their Kappa Sigma fraternity house.

Spiegel loved it and brought in Bobby Murphy, a math and computer science major, to build it. The app launched as "Picaboo" in July 2011.

The initial reception was rough — barely anyone downloaded it. Spiegel's mother was one of the first users.

They rebranded to "Snapchat" in September 2011 and slowly gained traction among high school and college students who wanted to share photos without them living on the internet forever. The disappearing message format felt risky, intimate, and fun — the opposite of Facebook's permanent timeline.

Then came the co-founder drama. Reggie Brown claims he originated the core concept.

Spiegel and Murphy dispute this. Brown was pushed out of the company in 2012.

He filed a lawsuit in 2013 claiming intellectual property rights and breach of contract. The case settled in 2014 for $157.5 million — making Brown perhaps the most expensive person ever kicked out of a fraternity project.

Spiegel and Murphy continued building.

Sierra

Bret Taylor had already done the impossible twice. He co-created Google Maps.

He later became co-CEO of Salesforce, chaired Twitter's board during the messy Elon Musk takeover, and became chairman of OpenAI in late 2023. Clay Bavor spent 18 years at Google, most recently running its Labs group.

The two friends left their big jobs in 2023 to build something together. They picked customer service on purpose.

It is the least glamorous corner of software. Their logic was simple.

Companies hate their support costs. Customers hate waiting on hold.

AI that actually resolves problems could fix both sides at once. They launched Sierra in February 2024 with $110 million from Sequoia and Benchmark.

Snap Inc.

Snapchat grew through word of mouth among teenagers and college students. The app spread through high schools like wildfire — kids told each other about it specifically because their parents weren't on it.

The anti-Facebook positioning was powerful: Snapchat was where you could be real, messy, and unfiltered because nothing was permanent.

International expansion drove the next wave. Snapchat invested heavily in localized content, Discover partnerships with local publishers, and market-specific features.

India became one of the fastest-growing markets after they launched Snapchat in Hindi and other local languages.

Augmented reality became the moat. Snap invested billions in AR technology, making the camera the centerpiece of the app.

AR Lenses went from silly face filters to genuinely useful tools — trying on sunglasses, previewing furniture in your room, translating signs in real time. By making the camera "smart," Snap differentiated from text-based social networks and positioned itself for the AR glasses future.

Sierra

Sierra went straight for big brands, not tiny startups. SoFi, Ramp, ADT, Sonos and Brex signed up early.

By 2026 it said more than 40% of the Fortune 50 were customers. The trick was trust.

Enterprises are terrified of an AI bot going rogue and insulting a customer. So Sierra built guardrails and let each company control exactly how the agent behaves.

Bret Taylor's contacts did the rest. When the chairman of OpenAI calls a Fortune 500 CEO, they pick up.

Sierra hit $100 million in annual recurring revenue in November 2025, seven quarters after launch, and $150 million by February 2026. In April 2026 it launched Ghostwriter, which builds and deploys a new agent from a plain-English description.

Snap Inc.

Meta (Facebook/Instagram) is the permanent existential threat. When Spiegel turned down Zuckerberg's $3 billion offer in 2013, Zuckerberg responded by copying every single Snapchat feature — Stories on Instagram, disappearing messages on Messenger, AR filters on Facebook.

Instagram Stories alone now has over 500 million daily users, dwarfing Snapchat. Every feature Snap invents, Meta copies within months and deploys to a user base 5x larger.

TikTok redefined short-form content and stole attention from every other social platform. Snapchat launched Spotlight to compete, but TikTok's algorithmic feed and creator ecosystem are years ahead.

Young users who once spent hours on Snapchat now split that time with TikTok.

Monetization lags behind competitors. Snap's average revenue per user is significantly lower than Meta's or TikTok's.

Advertisers often treat Snapchat as an afterthought — they build campaigns for Instagram and TikTok first, then maybe run them on Snap. The company has been unprofitable for most of its public life, with only recent quarters showing operational improvement.

Sierra

Everyone is building AI customer service agents right now. Decagon has raised at a multi-billion valuation.

Salesforce, ServiceNow and Intercom all shipped their own agents. Sierra is not the cheap option.

It sells premium AI to giant companies that move slowly. The bigger risk sits underneath the product.

Sierra does not make its own AI models. It rents them from providers like OpenAI and Anthropic.

If those model makers decide to compete directly, Sierra's edge gets thin fast, and its co-founder chairing one of them only makes that question louder. A $15.8 billion valuation on roughly $150 million in revenue leaves almost no room for a stumble.

Snap Inc.

Snapchat — the core messaging and social media app with 850+ million monthly active users, known for disappearing messages, Stories, and the Snap Map. Snap Lenses & Filters — augmented reality effects that overlay digital content on the real world through the camera.

Over 3.5 billion Lenses have been created by the community. Stories — Snapchat invented the Stories format in 2013 (24-hour disappearing photo/video collections).

Every major social platform copied it. Snap Map — a real-time map showing friends' locations and local events.

Used by hundreds of millions and particularly popular with Gen Z. Spotlight — Snap's TikTok competitor: a feed of short-form vertical videos from the community, with creators earning a share of revenue.

Sierra

The core product is the Sierra AI agent. It is a branded customer service bot that companies deploy on their website, app, and phone lines.

It handles the boring stuff. Order tracking.

Refunds. Password resets.

Account changes. Sierra also built its own tools to test and monitor these agents so they do not make things up.

In 2024 the company added a voice version that talks to customers on the phone. In April 2026 it added Ghostwriter, a tool that builds and deploys a new agent from a plain-English description.

The whole pitch is one AI agent that carries your brand's name and never sleeps.

Snap Inc.

Benchmark led the Series A — one of the most legendary early-stage investments in tech history. Lightspeed Venture Partners invested early.

Tencent bought a 12% stake, giving Snap a strategic investor from the world's largest gaming company. Alibaba, General Atlantic, and Fidelity participated in later rounds.

The March 2017 IPO raised $3.4 billion at a $24 billion valuation — Spiegel was 26 years old.

Sierra

Sequoia Capital and Benchmark wrote the first checks at launch in February 2024, $110 million between them. Greenoaks Capital then led both the $175 million round in 2024 and the $350 million round in September 2025.

In May 2026 Tiger Global and Google's GV led a $950 million round at a $15.8 billion valuation, with Benchmark, Sequoia and Greenoaks back in. That takes total funding to about $1.6 billion.

That is partly the product and partly Bret Taylor. Investors bet on founders who have already built billion-dollar things.