GAFA (the big four)

The term GAFA (the big four) is used to refer to the four largest technology companies in the world: Google, Amazon, Facebook, and Apple. These companies are all leaders in their respective fields, and their combined market value is over $3 trillion. GAFA is often used in the context of discussing the potential risks and … Read more


An Ultrabook is a high-end, lightweight laptop designed to provide users with a PC experience similar to that of a tablet. Ultrabooks typically feature Intel processors and solid-state drives (SSDs), and are thinner and lighter than traditional laptops. Ultrabooks were introduced in 2011 by Intel, in response to the growing popularity of devices such as … Read more

Five Eyes Alliance

The Five Eyes Alliance is a group of five countries who have signed an agreement to share intelligence with one another. The countries are the United States, the United Kingdom, Canada, Australia, and New Zealand. The alliance was formed in the aftermath of World War II in order to share intelligence about the Soviet Union … Read more

Hard reset (factory reset; master reset)

A hard reset is a factory reset that returns a device to its original, out-of-the-box state. This includes all personal data, settings, and applications. Hard resetting a device is often necessary when it is not responding to traditional reset methods. A hard reset should only be performed as a last resort, as it will delete … Read more