WhatsApp is a Facebook-owned instant messaging app that provides service to over 1 billion users, but how does it make money? The app was developed by Brian Acton and Jan Koum in 2009. WhatsApp uses data, so you can all others using the app without paying for it. The app...
How do you grow your money if you’re an investor? It’s simple. You buy the stock of the company that can grow in time. A stock is an investment. If you buy the stocks of the company, you buy a small piece of that company. We call it as the...
Many kinds of ambient sounds can block or interfere with the sound coming through the headphones. This can be extremely annoying for music lovers. Ambient sounds make it hard to hear what is being broadcasted, even when the speakers are placed on or in your ear. With noise-canceling headphones, you...
3D printing is the process of producing three dimensional solid objects from digital files. A 3D printed object is made using additive processes. This is done by laying down consecutive layers of material until the object is formed. Each layer is a horizontal cross-section of the object that is being...
Virtual reality is all about making a simulated set-up that immerses users into a virtual world, but how does VR work? VR simulates the vision, and this can be done by using a VR headset, which puts up a screen in front of the user’s eyes. This eliminates any interaction...
Wikipedia has over 5.5 million articles and approximately 600 new articles every day on the English version alone. It has 32.5 million active editors and 33 million registered users. The website was launched on January 15, 2001, and had 298 language versions. It has articles relating to a wide range...
Facebook is a social networking website that allows users to create profiles, keep in touch with family, colleagues, and friends, send messages as well as upload videos and photos. The site is free to use and available in 37 different languages. Facebook offers public features like Events, Groups, Marketplace, Presence...
Radio-frequency identification or RFID pertains to a technology where a reader captures digital data encoded in smart labels or RFID tags through radio waves. How does RFID work? RFID uses radio waves to identify objects and gather information about them. The information gathered is entered into computer systems with little...
Near Field Communication or NFC allows short-range communication between devices. Different devices that use the NFC standard will be considered active or passive. Active devices can send and receive information as well as communicate with one another. It can also communicate with passive devices. Some of the most common types...
A cryptocurrency is a virtual currency that can be used to exchange services and goods through electronic transactions without the presence of an intermediary. It is a decentralized form of currency, meaning it is not controlled by any financial institution, government or bank. Your privacy is also maintained when making...
Alexa is a digital assistant that you can command to control the gadgets in your home or answer your questions. It will talk to the gadgets in your home to do what you want or gather the data you need. The smart devices in your home should be Alexa compatible....
Bluetooth connects portable equipment such as mobile phones. Low-cost transceivers are embedded in the devices. Up to 8 devices can be connected at the same time, and each device provides a unique 48-bit address. The piconet or Bluetooth network is composed of a personal area network that contains 2 to...