ByteDance, the Chinese company behind TikTok, the viral short video app, made headline news when its valuation jumped to $75 billion, surpassing Uber ($72 billion) to become the world’s most valuable start-up.

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.

In 1999, TiVo and Replay Networks introduced the first digital video recorders (DVR) to replace the video cassette recorder (VCR) and move television viewing into the digital age. Experts predicted fast household adoption based on the excitement the DVR had created in pre-launch market research. Almost a decade later, the promised DVR revolution is still waiting to happen.