"I Speak C#" Women's T-Shirt - "I Speak C#" is a subtle, but effective way to remind everyone around you that you're not an average geek, you're an elite, professional programmer in C#!

Binary dad Black T-Shirt - Give your dad the unique Geeky Humor version of the classic "number one dad" phrase this year!

Binary Sudoku White T-Shirt - Binary Sudoku is funny...you either get it or you don't. If you do you are likely a gamer, nerd, hacker, geek, or computer savvy person and therefore likely to be of superior intellect.