Web 2.0 is the second era of the World Wide Web, characterized by the increasing use of social media, mobile devices, and other web-based technologies. It began around 2005 and is ongoing.

Key characteristics of Web 2.0:

• Social media: Platforms such as Facebook, Twitter, Instagram, and TikTok allow users to connect with friends, family, and colleagues.
• Mobile devices: Widespread use of smartphones and tablets has led to increased mobile browsing and social media use.
• Cloud computing: Storage, processing, and delivery of data over the cloud instead of local computers.
• Big data: Large-scale data collection and analysis, often used by businesses to improve their operations.
• Artificial intelligence (AI): Use of AI for tasks such as image recognition, natural language processing, and decision-making.
• Social networking: Platforms that allow users to create and share content.
• Open data: Sharing of data between individuals and organizations.
• Web services: Interoperability between different web applications.

Examples of Web 2.0 technologies:

• Social media platforms
• Mobile apps
• Streaming services
• E-commerce websites
• Online learning platforms
• Cloud storage services
• Artificial intelligence-powered applications

Impact of Web 2.0:

• Increased connectivity: Web 2.0 has greatly increased the ability of people to connect with each other and share information.
• Emergence of new business models: New business models have emerged based on the use of Web 2.0 technologies.
• Changes in communication: Communication patterns have changed significantly with the advent of social media and other Web 2.0 tools.
• Spread of misinformation: However, Web 2.0 has also contributed to the spread of misinformation and fake news.
• Digital divide: The benefits of Web 2.0 may not be evenly distributed, leading to a digital divide.

Future of Web 2.0:

The future of Web 2.0 includes:

• Continued growth of social media and other Web 2.0 platforms
• Increasing use of AI and machine learning
• Emergence of new technologies such as virtual reality and augmented reality
• Continued development of new business models
• Greater awareness of the potential risks of Web 2.0