Whenever the term "Multi-Billionaire" is heard, the name "Bill Gates" always comes to mind. He is the retired President of Microsoft, a company dedicated to software development. The richest man in 2013 was Carlos Slim from Mexico. His main source of income was Telecommunication Companies in Mexico and Brazil. You can easily understand the influence of technology in world wealth.
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Forbe magazine publishes the list of richest billionaire every year. In 2013 three out of top five richest billionaire in that list are pioneers of Technology based industry. Back in 2003, only Bill Gates made the list of top ten billionaire (He was #1). Withing only 10 years, two new technology pioneers joined the list. This shows how fast technology based industry is growing.
Carlos Slim, the richest man in 2013 owns two large telecommunication companies, Telmex which is operating in Brazil and América Móvil of Mexico. Microsoft inc. by Bill Gates is the sole creator of Windows Operating System. Larry Ellison is the president of Oracle Corp. the company which created Java. All these are international companies, so their revenue amount is very high.
But the local (Inter-Country) technology companies are also quite big. In Bangladesh (The country I live in) Grameenphone is the largest Telecommunication company. It has 30 Million users. Per minute calling cost is roughly 1.5 Taka (1 Dollar = About 80 Taka). Considering everyone talks 2 minutes daily, the company earns 90 Million Taka daily or 32850 Million Taka yearly. That's 410 Million Dollars income per year excluding income from SMS, internet and other services.
Software and Hardware industry is even bigger than Telecommunication industry. An estimated 27.4 Million iPhone 5 was sold worldwide after it's release. The graph above shows some of the leaders of the technology industry and their Revenue and profit.
You can get a clear idea how the large Technology industry is. Estimated 30% of the whole world economic depends on the technology industry. Lets do our own part for it to grow.