Preston Gralla

Un interesante viaje por el mundo de las comunicaciones inalámbricas. Las tecnologías inalámbricas o Wireless están revolucionando la forma de trabajar, las comunicaciones y los hábitos de ocio. Ello, gracias a Wireless Fidelity , un protocolo de comunicación inalámbrica de área local. Para usarlo sólo debe conectar un router e instalar al orden...

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What began as an intrepid U.S. Government initiative in the early 1970's has turned into a global way of life. Indeed, with more than 500 million current users (and counting), the Internet has revolutionized the way societies function the world over. From dating and shopping online, to conducting informational research, to communicating via emai...

Droid X2 has more power and better graphics than its predecessor, but it still doesnÂ?t offer a printed guide to its amazing features. This Missing Manual helps you dig deep into everything Droid X2 can do. Learn how to shop, keep in touch, play with photos, listen to music, and even do some work. Unleash the power of this popular device with ex...

Motorola Xoom is the first tablet to rival the iPad, and no wonder with all of the great features packed into this device. But learning how to use everything can be trickyÂ?and Xoom doesn't come with a printed guide. That's where this Missing Manual comes in. Gadget expert Preston Gralla helps you master your Xoom with step-by-step instructions ...