•The Challenge

•Sketch Origins

•Sketch Elements

•Presentations

•Overview Slide Deck

•The Major Sketch Families

•Large Scale Computing

•Key Features

•Sketch Features Matrix

•Components

•Sketches by Component

•Sketch Criteria

Memory Component

•Notes on Order Sensitivity

•Notes on Concurrency

Distinct Counting

Most Frequent

Quantiles And Histograms

Sampling

Density And Coresets

•Using Sketches in Apache Druid

•Using Sketches in Apache Hive

•Using Sketches in Apache Pig

•Using Sketches in Apache Pinot

•Using Sketches in Google BigQuery

•Using Sketches in PostgreSQL

•Community

•Downloads

•Committer Process

•Release Process For CPP Components

•Release Process For Java Components

•Transitioning from prior GitHub Site

•Research