What I envision when I see some of these - Waterfall model: http://99designs.com/logo-design/contests/logo-stackoverflow-6774/entries/182 http://99designs.com/

What I envision when I see some of these - Waterfall model: http://99designs.com/logo-design/contests/logo-stackoverflow-6774/entries/182 http://99designs.com/logo-design/contests/logo-stackoverflow... Bubble sort: http://99designs.com/logo-design/contests/logo-stackoverflow-6774/entries/145 http://99designs.com/logo-design/contests/logo-stackoverflow... Recycle bin: http://99designs.com/logo-design/contests/logo-stackoverflow-6774/entries/191 http://99designs.com/logo-design/contests/logo-stackoverflow... Broken database: http://99designs.com/logo-design/contests/logo-stackoverflow-6774/entries/286 http://99designs.com/logo-design/contests/logo-stackoverflow...