This article reviews all the varieties and shades of blacks used in print and web.
Article by Luke Wroblewski on responsive design layout patterns.
Readers of email newsletters are more likely to click a button with an arrow in it. Plus get more recommendations via this infographic from email testing software, Litmus.
Create letterpress style text in Adobe Illustrator
Designing an envelope? Check out the templates offered on this site in addition to many other cool design resources.
One of my favoritie, time-saving illustrator tips!