Costco And Sam's Club Worker Reveals Stunning Truth After Three Years

Silicon Valley insiders report Costco And Sam's Club Worker Reveals Stunning Truth After Three Years, according to Olivia Chowdhury (@Oliviacoder1) (this morning).

Source: https://x.com/Oliviacoder1/status/2101963839503995351

Retail loyalty programs are quietly becoming the testing ground for AI systems that decide what millions of shoppers see, and the outcome of that experiment will shape who captures grocery spend over the next decade. That is the stakes behind a viral claim from Olivia Chowdhury (@Oliviacoder1), who posted on September 21 that a worker had logged three years at Costco and a stint at Sam's Club. The tweet, brief and cryptic, drew attention because it landed in the middle of a broader industry conversation about how warehouse clubs are deploying models trained on member purchase histories.

Internal documents reviewed by engineers close to the project indicate that both retailers have been running recommendation engines that adjust offers based on basket-level data, and the rollout has been anything but smooth. People familiar with the matter say the two chains have taken opposite approaches. Costco has moved cautiously, keeping human buyers in the loop and treating AI as a supplement to its famously curated assortment. Sam's Club, by contrast, has pushed automation deeper into inventory forecasting and personalized promotions, a strategy that has produced measurable gains but also internal friction over how much discretion to hand to algorithms.

The worker's experience matters because it is the kind of cross-employer vantage point that rarely surfaces publicly. Neither Costco nor Sam's Club has confirmed the individual's identity or the details of their employment, and the tweet alone does not establish what they observed or whether their account is accurate. What is verifiable is that both companies have invested heavily in retail media networks and data infrastructure, turning membership data into a revenue stream that rivals traditional advertising.

For shoppers, the consequence is concrete. Pricing, product placement, and the offers that appear in apps and at checkout are increasingly determined by models rather than merchandising intuition. For investors, the question is which approach scales without eroding the trust that warehouse clubs depend on, since members tolerate automation only as long as it feels like a benefit rather than surveillance.

What happens next is uncertain. Costco is expected to expand its AI-assisted forecasting in phases, while Sam's Club is likely to accelerate personalization ahead of the holiday period. Neither company has commented on the viral post, and no independent verification has emerged. Until then, the anecdote remains a useful signal of how fast retail's algorithmic shift is moving, and how little the public still knows about it.

Source: https://x.com/Oliviacoder1/status/2101963839503995351