Snowplow technical documentation

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The technical documentation reflects the Snowplow architecture, with five loosely-coupled sub-systems connected by four standardised data protocols/formats:

![architecture] technical-architecture

1. Trackers

Trackers overview
JavaScript Tracker
No-JS Tracker
Lua Tracker
Arduino Tracker

A. Snowplow tracker protocol

2. Collectors

Collectors overview
Cloudfront collector
Clojure collector (Elastic Beanstalk)
Scala Stream collector
SnowCannon (node.js)

B. Collector logging formats

3. Enrichment

Overview
EmrEtlRunner
Scalding-based Enrichment Process

C. Canonical Snowplow event model

4. Storage

Storage Overview
[Storage in S3](S3 storage)
Storage in Redshift
Storage in PostgreSQL
Storage in Infobright (deprecated)
The StorageLoader

D. Snowplow storage formats (to write)

5. Analytics

[Analytics overview](analytics documentation)