A hacker can't be printing their own T-shirts all the time. Here's some options for adding to your gift list, though do try and check sizes in advance. No-one likes getting a 3XL if they don't need one.
Click on the T-shirt graphics for a larger view. We've ignored P&H in pricing as there's often better deals if you buy more than one item.
Cost: £14 Where to get it: Shot Dead In The Head Why it's a good choice: Nicely captures the slight creepiness of Christmas. Available in red.
The Sign Of The Twisted Candles
Cost: $US30 Where to get it: Fred Flare Why it's a good choice: Because Nancy Drew makes for a fresh and interesting retro hacking meme. Plus your friends can speculate about who twisted the candle.
Cost: $40 Where to get it: T-Bar Why it's a good choice: Bikes. Seven of them. We have no more to say.
Cost: $31.50 Where to get it: Redbubble Why it's a good choice: Remember how licking a nine volt battery made your tongue tingle? This is better.
One Via Zero
Cost: $79.95 Where to get it: General Pants Why it's a good choice: A good binary joke for summer.