Discover how payment gateways process transactions between customers and merchants, key features, and examples like Square for seamless and secure payments.

Explore Web 2.0's evolution, its impact on user interaction, and examples like Facebook and Wikipedia. Understand how it differs from Web 1.0 and shapes the web today.

How much do solar panels cost in 2025? $18,000 to $43,000 on average, depending on system size, location and available incentives ...