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The iPhone-only Inner Circle plan offers customers unlimited talk, text and data for $50. However, when users purchase an iPhone or bring their own iPhone and port their number to Virgin Mobile, the first 6 months of service are $1 per month.
EFTPOS transactions involving a debit, credit or prepaid card are primarily authenticated via the entry of a personal identification number (PIN) at the point of sale. Historically, these transactions were authenticated by the merchant using the cardholder's signature, as signed on their receipt.
The level of security that a web hosting service offers is extremely important to a prospective customer and can be a major consideration when considering which provider a customer may choose.  Web hosting servers can be attacked by malicious users in different ways, including uploading malware or malicious code onto a hosted website .
M-Pesa is a branchless banking service; M-Pesa customers can deposit and withdraw money from a network of agents that includes airtime resellers and retail outlets acting as banking agents. M-Pesa spread quickly, and by 2010 had become the most successful mobile-phone-based financial service in the developing world.