Carlos Marcos is the technology editor at CholloTec, an independent Spanish tech-comparison publication covering laptops, smartphones, PC hardware and security software (antivirus and VPNs). He writes data-grounded reviews and buying guides based on verified manufacturer specs and real cross-retailer pricing, and produces CholloTec's open price-index and price-drop studies. He can comment on consumer-tech buying advice, price and discount trends, value-for-money recommendations, and how to choose laptops, phones, components or security software.