With more than 15 million members by October 2007, LinkedIn is one of the fastest-growing online social networks in the world. Traffic rose 323 percent from July 2006 to July 2007, making the site the No. 1 online destination for professional networking [source: Tech Crunch]. Average users ...
Over the last three decades, the crowding of highways within metropolitan areas has resulted in the development of additional traffic arteries, including fee-bearing roads known as toll roads. Toll roads have become increasingly prevalent; however, they require the payment of a toll fee for use by...
摘要: PubMed comprises more than 22 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full-text content from PubMed Central and publisher web sites. 关键词: Health Care and Public Health DOI: 10.1111/j.1445-5994.1...
small amount settlement services for settling traffic expenses and for use of a vending machine without coins, advance payment card services by depositing a designated amount of money at a database of a bank and allowing a member to systematically use the advance card within the deposited money,...