Unit 3 Chapter 1: The Information Age & Information Age Study Notes

Context and Scope of the Information Age

• Overview of Chapter 1: The Information Age: Written by Jonathan P. Manigo, this chapter explores the stages leading to the information age, its benefits to society, and the impacts of social media on various aspects of life.
• Links to Artificial Intelligence: The chapter establishes a connection between advancements in artificial intelligence (AI) and the simultaneous development of the information age.
• Interdisciplinary Connections: Future topics linked to this study include nanotechnology and the world of nanostructures.
• Lesson Division:     - Lesson 1: Focused on the history of information development, categorizing eras based on technology used for accessing and distributing information (from handwriting to the Internet).     - Lesson 2: Focused on the development of social media, its differences from traditional media, and its impacts on education, business, and general society.
• Learning Objectives:     - Identify stages leading to the development of the information age.     - Enumerate impacts on science, technology, and society.     - Differentiate social media from institutionalized mediation entities.     - Appreciate the value of living with and without modern technology and social media.

Fundamental Nature and Semiotic Structure of Information

• Etymology of Information: The word originates from the Latin term informare, which means "to give form (shape or character) to" something.
• Definition: Information involves describing or imbuing a specific character to an object or event. For example, stating "Today is windy!" assigns the character of "windy" to the weather.
• Representation: Information manifests as signs, symbols, meanings, instructions, or communication. Examples include gender signs on restroom doors or providing directions to a traveler.
• Purpose of Information:     - Defining Reality: In science, this involves establishing standards for measurement to ensure agreement. For example, measuring length using units like $meters$, $centimeters$, or $inches$ requires standardization so scientists can relate different bases to one another.     - Communication: Information must be shared to be preserved. Historical instances, such as the lost information regarding the construction of Egyptian pyramids, illustrate how information is lost when not communicated.
• The Semiotic Structure (Buckland, 1991): The process of sharing information involves three components:     - The Agent: The receiver of the information (e.g., a student reading a workbook).     - The Sign: The symbol, signal, or messenger that carries the meaning (e.g., the paragraphs or statements in a book).     - The Thing: The actual message, meaning, or interpretation of the signal.

Historical Eras of Information

• Pre-Gutenberg Era: The age before the invention of the printing press.     - Primary Transmission: Information was spread largely through word-of-mouth.     - Physical Media: Written information existed on stone tablets, paper scrolls, or hand-written books.     - Accessibility: Distribution was tedious and time-consuming; media were accessible only to a few, typically the rich, powerful, and influential.
• Gutenberg Era: Began in the $15^{th}$ century with Johannes Gutenberg’s invention of the printing press.     - Technological Impact: Allowed for the mass-production of books, revolutionizing the spread of information and potentially ushering in the scientific revolution (Torr, 2003).     - Mediation: This era saw the birth of news/media and banking institutions, whose main function was information mediation.     - Cost Constraints: Despite mass production, information remained relatively expensive, limiting access primarily to the wealthy.
• Post-Gutenberg Era (Information Age): Defined by the rise of computers and the Internet.     - Early Computing: New technologies emerged in the late $1940s$ and advanced in the $1980s$ as personal processing devices.     - The World Wide Web: Emerged in the $1990s$, providing a network that connected every computer, facilitating faster sharing and the rise of social media.     - Accessibility: Tools like Google serve as public search engines that provide virtually any information instantaneously.

Revolutionary Technological Developments

• The Telephone:     - Inventor: Alexander Graham Bell in the late $19^{th}$ century.     - Legacy: Founded AT&T; the unit for sound intensity, the $bel$ (or $decibel$), is named in his honor.     - Mechanism: Converts sound from a transmitter into an electrical signal and back into sound for the receiver, allowing instantaneous voice communication across distances.
• Radio and Television:     - Radio: Used for long-distance wireless communication. It converts sound to electrical signals, then to radio waves, and back to sound. A standard "radio" is typically just a receiver.     - Television (TV): Born in the $1920s$ following the discovery of the cathode-ray tube (CRT). CRT technology produced images but is now obsolete due to health hazards from radiation.     - Display Evolution: CRT was replaced by Liquid Crystal Display (LCD). Modern LED TVs are LCDs that use Light-Emitting Diodes (LEDs) as the backlight source.
• The Computer:     - Early Prototypes: Developed in the late $1940s$; early IBM computers used by NASA were large enough to fill entire rooms.     - Personal Computers: Became household items with the invention of the keyboard and monitors. Notable examples include Apple's Macintosh and Microsoft's operating systems.     - Hardware and Software: A computer is a tandem system where programming software (the focus of Bill Gates' success) is as vital as the physical hardware.
• The Internet:     - Origin: Started in the early $1970s$ as a network controlled by the US Department of Defense to maintain communication during attacks.     - Evolution: Grew into the "worldwide web." Initial speeds were slow, but the development of broadband and cheaper hardware facilitated faster uploading and downloading of documents, audio, videos, and images.
• Smartphones:     - Integration: A combination of telephone, radio, computer, and Internet technologies.     - Power: Modern smartphone processors are significantly more powerful than the IBM computers NASA used for moon launches.     - Versatility: Functions as a PC, GPS device, compass, and telegram through an Operating System (OS), such as the popular Android OS.

Information Integrity and Digital Literacy

• Reliability of Websites: The Internet contains both appropriate and fraudulent information. Checking domain suffixes is a primary method of verification:     - .edu: Educational institutions (generally reliable).     - .gov: Government entities (generally reliable).     - .org: Non-profit organizations (generally reliable).     - .com: Commercial organizations (exercise caution; these involve products or the exchange of personal data for access).
• Verification Strategies:     - Author Background: Verify credentials (e.g., checking if an author is a legitimate doctor or expert).     - Publisher Research: Look for other sites that cite the author or publisher.     - Purpose and Advertising: Reliable research sites typically do not have excessive advertising.

Advancements and Implications in Science, Medicine, and Engineering

• Research and Publication: Physical libraries have become largely obsolete as thousands of virtual libraries allow for faster publication and distribution of research papers.
• Automation and AI: Many industries are moving toward the automation of jobs, potentially creating a future where humans no longer need to work because machines handle all labor.
• Biotechnology and Medicine:     - Real-Time Biosensors: Devices can quickly identify viruses, bacteria, or fungi from a single blood sample (Ecker, 2014).     - Outbreak Prevention: Biosensors can be networked across hospitals to detect early signs of disease outbreaks.
• Futuristic Innovations (Michio Kaku, 2011):     - Internet Glasses: Wearable eyeglasses with internet connectivity, now evolving into Virtual Reality (VR) goggles (e.g., Google, Facebook/Oculus).     - Driverless Cars: Currently in testing phases (e.g., Uber), potentially making professional drivers obsolete.

Paradigms of Mediation: Gutenberg Principle vs. Social Information Principle

• The Gutenberg Principle: Followed by institutionalized mediation entities (e.g., news companies, banks).     - Mechanism: Distribution is possible but expensive. Institutions act as middlemen between those with information/needs and those who want/can satisfy them.     - The Trust Model: Customers pay for the "trust" and efficiency of the brand. Profit is derived from this mediation.
• The Social Information Principle:     - Mechanism: No mediation entities; everyone owns the information. It removes the "middle-man."     - Transparency over Trust: Because everyone "witnesses" transactions, institutionalized trust becomes unnecessary.     - Example - Cryptocurrency: Bitcoin uses a public ledger (blockchain) for transactions between two persons without a bank serving as a mediator.

Social Media and Collective Intelligence

• Definition of Social Media: Tools, applications, or websites that help users access/share information or participate in a social network.
• Crowd Wisdom vs. Crowdsourcing:     - Crowd Wisdom: Collective intelligence created by people tagging, rating, and commenting on information. This helps develop trust in products or people without regulated entities.     - Crowdsourcing: The process used by businesses (e.g., Lazada) to collect ratings and reviews voluntarily from the public to improve services and sales, replacing the need for hired surveyors.
• Social Networking: Occurs when everyone in a group has access to information about everyone else. While networking existed before, it is now inextricably linked to the Internet.

Societal Consequences and Ethical Considerations

• Impact on Education: Teachers use portals and blogs for lectures. However, students face risks of accessing inappropriate content (pornography, fake news). Pop-up blockers are recommended for management.
• Impact on Business:     - Marketing: Social media ads are cheaper and reach a global audience compared to localized traditional media.     - Market Decline: Sales of physical media (CDs, DVDs, newspapers, books) have declined due to digital streaming and virtual formats.     - Transparency Challenges: Sites like WikiLeaks (founded by Julian Assange) leak confidential files to expose government corruption, building public trust through transparency rather than branding.
• General Society and Mental Health:     - Privacy Concerns: Personal information (birth dates, photos) provided to "free" social media sites like Facebook can be sold to other commercial sites (e.g., Lazada) for profit.     - Substance of Connection: Users can transcend geography to talk to loved ones or like-minded groups.     - Health Hazards: Overuse of social media is linked to increased risks of depression and suicide (Rhodes, 2017).     - Navigational Difficulty: The varying unwritten rules and cultural assumptions of multiple platforms can lead to negative moods and emotional distress (Hydzik, n.d.).