Facebook’s acquisition of WhatsApp has some interesting implications. Among them is the fact that Facebook is now starting to challenge mobile operators in major Western markets. German operator e-plus now offers a-WhatsApp SIM card that gives users unlimited WhatsApp messaging combined with a mobile data and mobile voice calling package of 600MB and 600 minutes.-The big news here is the price: 10 euros, or about $14 —-and that is not a monthly charge; you can stretch it out as long as you can. If you lean heavily on free WhatsApp messages and have home Wi-Fi for downloading apps and doing light browsing, that $14 package could be used entirely for mobile voice. 600 minutes could last six weeks, two months



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