Paul Rand: Art | Defamiliarize the ordinary

Freshness and clarity

Colors will always be beautiful

Exciting representation of information

Simply refreshing colors

Information arragement and clarity

Spreadsheets for Grid Layouts

Jonathan Ive again

Ads Designs

The Google Recipes

Experience Is the Product

Doing Guides

Ex. PDFs
(1) JavaScript Cheet Sheet by: Jack Daniels
(2) you can also observe Yahoo's YUI Cheet Sheets (can be found here)

They are concise and easy to understand summary.
They transform texts into a quickly absorbable representation.
They respect readers time.

Colors: Emotionslive

Doing Slides

Design Spectrum