HelloZack is a young entrepreneurial firm based in Paris focused on the purchase and resale of second-hand Apple products, part of a broader ecosystem that supports ongoing use of Apple products.

Drybar was launched in 2010 with the tagline “No cuts. No color. Just Blowouts!” by hair stylist Alli Webb and her brother Michael Landau. Blow-drying had long been provided in most hair salons, but was considered an add-on or infrequent stand-alone service that did not incur a significant and consistent revenue stream.

Drybar (B) is presented in an innovative cartoon storybook format to help enhance participants' understanding of Drybar's offering through an entertaining experience that is both informative and emotionally engaging. Supplementary Video and Lecture Slides can be obtained at https://www.blueoceanstrategy.com/teach

This case accompanies 1) a collection of business press articles; 2) two video clips; 3) a teaching note; 4) lecture slides. While the case and articles will be assigned as pre-reading, the video clips and lecture slides will be shown in the classroom by the instructor.

ISS describes a $2 billion multinational service company active in commercial cleaning. The case explores the company's entrepreneurial organisational structure which features autonomous country managers linked to headquarters by strong financial controls, as well as the future challenges of moving from acquisitive to organic growth and improving profitability.