Week 10, 2026
As a product manager, I’m trained to look for signals. Metrics, trends, causality. So when AI tools became part of our daily workflow, I naturally assumed they would change everything how we think, how we work, and surely how we fuel ourselves. With copilots accelerating ideation and summarization, it seemed inevitable that caffeine consumption patterns across product managers would shift dramatically. Curiosity, professional responsibility, and easy access to free beverages at Microsoft compelled me to investigate.
The study took the form of a long‑running, informal observational analysis conducted in Microsoft office kitchens and conference venues. Data was collected through repeated sampling of beverage fridge depletion rates, restocking frequency, and time‑of‑day consumption patterns. The categories tracked included regular vs. diet variants across familiar brands—Dr Pepper, Mountain Dew, Coke (Classic, Zero, Diet), Pepsi, and Sprite (regular and Zero). Additional context was captured by correlating consumption spikes with calendar events such as major healthcare conferences: HIMSS, ECR, CES, and HLTH. This methodology would not survive peer review, but it did survive multiple quarters.
Initial analysis showed something surprising: the widespread adoption of AI tools by product managers had no measurable impact on beverage preferences. The ratios of diet to non‑diet drinks remained remarkably stable during normal work periods, regardless of AI usage intensity. However, when overlaying conference timelines and social media activity specifically LinkedIn posts an unexpected variable emerged. In the weeks leading up to major industry events, diet beverage consumption rose sharply. Diet Coke, Coke Zero, Diet Pepsi, and Sprite Zero dominated fridge real estate, coinciding precisely with an increase in LinkedIn posts featuring colleagues jogging, lifting, or “accidentally” looking fit while wearing conference badges.
The results were unambiguous. AI did not change consumption habits. Visibility did. As conferences approached and feeds filled with photos of peers looking energized, athletic, and professionally fulfilled, product managers subconsciously adjusted their own habits. Diet drinks surged pre‑event, suggesting short‑term optimism and aspirational behavior. Post‑event data told the second half of the story: caffeinated, non‑diet drinks rebounded immediately after conferences ended. Regular Coke, Mountain Dew, and Dr Pepper returned with confidence, fueled by backlog triage, follow‑ups, and the emotional recovery phase known as “post‑conference reality.”
The final conclusion is both humbling and reassuring. Product managers are not transformed by tools alone. AI accelerates thinking, but it does not alter identity or thirst. What does change behavior, even temporarily, is seeing peers succeed visibly and publicly. LinkedIn, not AI, proved to be the most powerful behavior‑shaping platform in this study. And once the inspiration fades, caffeine resumes its rightful role as the engine of execution. In the end, innovation may be powered by AI but delivery is still powered by whatever’s cold, fizzy, and within arm’s reach.
DISCLAIMER: This post reflects my personal views and experiences as a product manager. It does not represent the views, strategies, or opinions of my employer or any organization I am affiliated with.
