Sorry i just realized only som of the answers actually posted here's the rest

5. Which Digital Technology has the highest penetration rate?
1. Wireless Mobile phones have the highest penetration rate. The number of Mobile phone users is still growing and the number of “smart phone” users is on the rise also. According to International Association for the Wireless Telecommunications Industry there were 194.5 million U.S. Wireless Subscribers in 2008 and the wireless penetration was over 65 percent of the U.S. Population. People now can do literally everything from their phones from business to social networking to managing their bank accounts and it’s all in their pocket ready to be used 24/7.
1. Citation-MLA
1. Deloitte, Jane. "Wireless Quick Facts." CTIA The Wireless Association. CTIA, 02/Mar/2007. Web. 16 Mar 2011. <http://files.ctia.org/pdf/Wireless_Quick_Facts_October_05.pdf>.
6. List, Four drivers to adoption of sell-side eCommerce by business.
1. Reduce Labor Cost
1. By selling goods or services through electronic means cuts down on the requirement of human interaction thus leading to less staff and ultimately/hopefully more profit return.
2. Increase Efficiency
1. Through Electronic transactions and sell-side eCommerce there are unlimited transaction times and store hours. More people can shop across the country without a business needing to expand a physical store or hire more staff.
3. Pressure from other Businesses
1. Many Businesses have already made the jump to Electronic Commerce and Businesses that have not would be losing market share and customers to the more technologically advanced businesses, thus feeling pressure to start eCommerce of their own.
4. Increasing the Product output
1. By opening up your Business on the World Wide Web you increase your clientele thus creating more demand. You also make it easier to provide and deliver your product to a wider range of people in the Web versus a conventional physical store.