Advertisers have long avoided sharing agencies with competitors. McDonald’s just abandoned that tradition, and other big brands could follow suit.

Patrick Coffee | McDonald's recently shifted its lead US creative duties to Wieden and Kennedy, which means the fast-food giant will share an agency with rival KFC.

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Read the House Oversight Committee's letters calling on top e-cigarette brands to stop advertising their products

Patrick Coffee | After Juul suspended all US ads, the House Oversight and Reform Committee sent letters to four e-cigarette producers urging them to do the same.

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YouTube and Instagram star Alisha Marie explains how to pitch a brand for your first sponsorship deal

Amanda Perelli | The YouTube star Alisha Marie said she's landed brand deals by reaching out to the companies directly and shared her tips on how to get started.

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We just learned about the latest WeWork departures. 3 longtime members of Adam Neumann's inner circle are out. More key exits are likely coming.

Meghan Morris | Zvika Shachar, the head of global security, is leaving. So is Roni Bahar, WeWork's director of development, and Chris Hill, chief product officer and CEO of Japan.

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Pharmacy startups are getting into the business of prescribing medications — and it shows how a new business model is taking over in healthcare

Emma Court,Lydia Ramsey | Pharmacy startup GoodRx is starting to offer online doctor's visits, signaling that virtual medical care is taking on a larger role in US healthcare.

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The 8 billion-dollar digital-health companies that have triumphed and tanked since going public

Clarrie Feinstein | We took a look at eight digital-health companies that were each worth at least $1 billion when they went public. Now some are worth almost nothing.

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Here are the top bankers raising money, putting together deals, and raking in millions in the global cannabis industry

Jeremy Berke | Here's an exclusive look at which banks — and bankers — are making millions on cannabis deals.

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Here's exactly what it takes to get accepted into Stanford Graduate School of Business, according to 6 grads and the assistant dean of admissions

Robin Madell | Stanford Graduate School of Business has the lowest admission rate of 2019. Here's how to be one of the 6.1% accepted.

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Here's what it takes to get accepted into the Kellogg School of Management at Northwestern's MBA programs, according to 6 graduates, the senior director of full-time admissions, and a former admissions officer

Robin Madell | Business Insider spoke with alumni and admissions about getting into the number 10 business school in the world, according to 2020 rankings.

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