Interest
Proportion of Hacker News items mentioning "coffee" over time.
Mentions
Total number of Hacker News items mentioning "coffee" over time.
Coffee is a beverage brewed from roasted, ground coffee beans. Darkly colored, bitter, and slightly acidic, coffee has a stimulating effect on humans, primarily due to its caffeine content, but decaffeinated coffee is also commercially available. There are also various coffee substitutes. Read more on Wikipedia