Interest
Proportion of Hacker News items mentioning "sidewalks" over time.
Mentions
Total number of Hacker News items mentioning "sidewalks" over time.
A sidewalk, pavement, or footpath is a path along the side of a road. Usually constructed of concrete, pavers, brick, stone, or asphalt, it is designed for pedestrians. A sidewalk is normally higher than the roadway, and separated from it by a curb. There may also be a planted strip between the sidewalk and the roadway and between the roadway and the adjacent land. Read more on Wikipedia