---
title: Why Computers Can’t Count Sometimes — HIGH T3CH
url: https://hight3ch.com/why-computers-cant-count-sometimes/
date: 2018-11-12
---

# Why Computers Can’t Count Sometimes

Sometimes, numbers on sites like YouTube and Twitter jump up and down; subscriber counts lag, like-counts bounce all over the place. Why is it so hard for computers to count? To answer that, we need to talk about threading, eventual consistency, and caching.