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Writing began in the fourth millennium BC (around 3200 BC) in Mesopotamia and Egypt, more or less simultaneously, and was developed by the Sumerians and other ancient peoples, who needed a system for keeping administrative and commercial records. There is no single inventor; it emerged as a necessity of civilization. -
The early telegraph refers to Chappe's optical telegraph (late 18th century) or Samuel Morse's electric telegraph (mid-19th century), which used Morse code to transmit messages by electrical pulses over wires, being the first technology to revolutionize long-distance communications by allowing the almost instantaneous transmission of information, laying the foundations for modern telecommunications. -
Ancient sign languages" refer to the various forms of manual communication that have existed since prehistoric times, although their exact origin and evolution are difficult to trace.Documented use begins with monks in the 16th century, who used signs to communicate during their vow of silence and later to educate deaf children, such as Father Pedro Ponce de León. Later, Juan Pablo Bonet published the first manual for teaching deaf people to speak in 1620. -
Early mobile phones were large, heavy devices, known as "bricks," with short battery life and a single function: making calls. The first prototype was the Motorola DynaTAC 8000X, demonstrated in 1973 and commercially released in 1983. These devices laid the groundwork for mobile communication, evolving into more compact models with screens, physical keyboards, and later touchscreen smartphones with internet access. -
Information about "old email" can refer to two things: the history of email and how to find old emails in your account. Historically, email evolved from the systems of the 1960s to the personal mailbox system created by Ray Tomlinson in 1971, with the invention of the "@" symbol. To find old emails, use your email client's search bar by entering keywords or sender names, or check your "Archive" or "All" folders. -
The "old" Internet refers primarily to the period before the commercial Web, beginning with the ARPANET in the 1960s, then evolving into a research network, until the arrival of the Web in the 1990s, which became commercial and more accessible to the general public through dial-up connections and early search engines like Yahoo and AltaVista. -
WhatsApp is a free instant messaging application owned by Meta that allows users to send and receive messages, photos, videos, audio files, documents, and make calls and video calls over the internet. It syncs with phone contacts, is secure with end-to-end encryption, and has versions for smartphones and computers. -
Social media are digital platforms that allow users to create profiles, connect, and interact by sharing content such as text, images, and videos. They facilitate instant communication, connecting people with common interests, and promoting brands, becoming essential tools for social interaction, entertainment, and marketing. -
Mobile phones, or cell phones, are portable electronic devices that allow communication through calls and text messages, as well as access to the internet and a wide range of applications, operating through radio frequency signals transmitted between the phone and cell phone towers. They were invented in the 1970s by Martin Cooper of Motorola and evolved significantly with the arrival of smartphones, which integrated computing and internet functions. -
A smartphone is a mobile phone with computing capabilities and advanced connectivity, allowing you to browse the internet, run applications, take photos, play multimedia, and communicate across various channels.