What is Instagram?
Instagram launched in 2010 as a photo app with filters and was bought by Facebook in 2012. It has since grown into one of the largest social platforms in the world, now part of Meta, with several formats living in one app: the grid of feed posts, stories that disappear after a day, reels (short vertical videos built to compete with TikTok), live video, broadcast channels and direct messages. Shopping features let brands tag products, and Threads, Meta's text app, runs off the same accounts.
For brands, Instagram is often the public face of the business: the place a customer checks before they buy, a journalist checks before they write and a candidate checks before they apply. Business and creator profiles unlock the insights, the ad tools and the contact buttons that turn an account into a working channel.
Why it matters
Why Instagram matters
Instagram is where image-led categories live. Fashion, beauty, food, travel, design and luxury brands treat it as a shop window, a magazine and a customer service desk at once. Its audience is large and engaged, and it sits at the center of creator culture: a large share of influencer work still runs through it.
It also sets visual standards. What looks current on Instagram quickly becomes what looks current everywhere, which is why a brand's grid often tells you more about how it sees itself than its website does.
In practice
How Instagram works in practice
- 01
Each format has its own job. The grid is the archive, where the brand's best images and films live as a portfolio. Stories are the daily voice: behind the scenes, polls, links, quick news. Reels are the discovery engine, recommended to people who do not follow you, and they reward vertical video that hooks in the first second. Direct messages are where customers ask questions and where a lot of real community work happens.
- 02
Behind the account, brands use Meta's tools to schedule posts, read insights and run ads in the feed, stories, reels and explore. The recommendation system decides what most people see, weighing signals such as how long they watch, whether they share or save, and how they have engaged with the account before.
Watch out
What people get wrong about Instagram
Treating it as one channel. A plan that works for the grid fails in reels, and a beautiful campaign image cropped to fit a story often loses the point of the picture. Content has to be made for each format, ideally on the same shoot.
Many brands also chase follower counts long after Instagram stopped rewarding them. Reach now comes mostly from recommendations, so a post's performance depends less on how many people follow you and more on whether people who do not follow you stop for it. Shares and saves say more than likes.
A third mistake is running the account as a press release feed. People follow brands on Instagram for a point of view, a world, a sense of humor; an account that only announces products gives them no reason to stay.
