diff --git a/README.md b/README.md
index eba9f05b7..f3d428a12 100644
--- a/README.md
+++ b/README.md
@@ -1,18 +1,37 @@
 # Wappalyzer [![Travis](https://travis-ci.org/aliasio/wappalyzer.svg?branch=master)](https://travis-ci.org/aliasio/wappalyzer/)
 
-[Wappalyzer](https://www.wappalyzer.com/) is a
-[cross-platform](https://www.wappalyzer.com/nodejs) utility that uncovers the
-technologies used on websites. It detects
-[content management systems](https://www.wappalyzer.com/technologies/cms),
-[eCommerce platforms](https://www.wappalyzer.com/technologies/ecommerce),
-[web servers](https://www.wappalyzer.com/technologies/web-servers),
-[JavaScript frameworks](https://www.wappalyzer.com/technologies/javascript-frameworks),
-[analytics tools](https://www.wappalyzer.com/technologies/analytics) and
-[many more](https://www.wappalyzer.com/applications).
+[Wappalyzer](https://www.wappalyzer.com) identifies technologies on websites.
 
-*Licensed under [MIT](https://github.com/aliasio/wappalyzer/blob/master/LICENSE).*
+## Documentation
 
+Please read the [developer documentation](https://www.wappalyzer.com/docs).
 
-## Documentation
+## Quick start
+
+```sh
+git clone https://github.com/aliasio/wappalyzer
+cd wappalyzer
+yarn install
+yarn link
+```
+
+## Usage
+
+### Command line
+
+```sh
+node src/drivers/npm/cli.js https://example.com
+```
+
+### Chrome extension
+
+* Go go `about:extensions`
+* Enable 'Developer mode'
+* Click 'Load unpacked'
+* Select `src/drivers/webextension`
+
+### Firefox extension
 
-Please read the [developer documentation](https://www.wappalyzer.com/docs) to get started.
+* Go go `about:debugging#/runtime/this-firefox`
+* Click 'Load Temporary Add-on'
+* Select `src/drivers/webextension/manifest.json`
diff --git a/src/drivers/npm/Dockerfile b/src/drivers/npm/Dockerfile
index 8a3e99b85..499e53158 100644
--- a/src/drivers/npm/Dockerfile
+++ b/src/drivers/npm/Dockerfile
@@ -22,6 +22,7 @@ ADD cli.js .
 ADD driver.js .
 ADD package.json .
 ADD wappalyzer.js .
+ADD yarn.lock .
 
 RUN yarn install
 
diff --git a/src/drivers/npm/core.js b/src/drivers/npm/core.js
deleted file mode 100755
index 660fdd264..000000000
--- a/src/drivers/npm/core.js
+++ /dev/null
@@ -1,25 +0,0 @@
-#!/usr/bin/env node
-
-const fs = require('fs')
-const Wappalyzer = require('./wappalyzer')
-
-// See https://www.wappalyzer.com/docs/dev/specification
-const { apps: technologies, categories } = JSON.parse(
-  fs.readFileSync('./apps.json')
-)
-
-Wappalyzer.setTechnologies(technologies)
-Wappalyzer.setCategories(categories)
-
-const detections = Wappalyzer.analyze({
-  url: 'https://example.github.io/',
-  meta: { generator: ['WordPress'] },
-  headers: { server: ['Nginx'] },
-  scripts: ['jquery-3.0.0.js'],
-  cookies: { awselb: [''] },
-  html: '<div ng-app="">'
-})
-
-const results = Wappalyzer.resolve(detections)
-
-console.log(results)