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3500 BCE
Pre-Industrial age: Cave Paintings
Cave art is generally considered to have a symbolic or religious function, sometimes both. The exact meanings of the images remain unknown, but some experts think they may have been created within the framework of shamanic beliefs and practices. This pre-historic art are a very sacred work for me and it deserves a lot of respect because it is the way of the first people to communicate. -
1800 BCE
Industrial age: Typewriter
The first practical typewriter was completed in September, 1867, although the patent was not issued until June, 1868. Typically, a typewriter has an array of keys, and each one causes a different single character to be produced on paper by striking an inked ribbon selectively against the paper with a type element.
In my opinion, having a typewriter in their era is very productive and was the good cause of the creation of many stories a fiction writer made. -
Electronic age: Mainframe computers
A mainframe computer, informally called a mainframe or big iron, is a computer used primarily by large organizations for critical applications like bulk data processing for tasks such as censuses, industry and consumer statistics, enterprise resource planning, and large-scale transaction processing.
i think mainframe computers helps a lot of company in the year 1960s -
Information age: Skype
Skype is a proprietary telecommunications application operated by Skype Technologies, a division of Microsoft, best known for VoIP-based videotelephony, videoconferencing and voice calls.
Skype was an important application during the early 2000s because it helps the distant family contact their love ones true video calls.