Tech guys are often passionate and knowledgeable about the latest gadgets and innovations in the world of technology, and there are many great gift ideas that can appeal to their interests and expertise. Some popular options could include a collection of books or DVDs about technology and its impact on society and culture, a set of tech-themed tools or accessories for the home or office, or a piece of tech-themed art or decor that reflects their interests and passions. For the tech guy who loves to experiment and explore new products and services, you could also consider a gift card to a favorite tech store or online retailer, a gift certificate for a tech conference or event, or a set of tech-themed clothing or accessories. Other ideas could include a tech-themed board game or puzzle, a tech-themed coffee mug or water bottle, or a collection of tech-themed movies or TV shows. Ultimately, the best gift will depend on the recipient's interests and personal style, as well as their specific preferences and loyalties when it comes to the world of technology.