Mobile phone short messaging service (SMS) has been a huge windfall for most telcos. That said, here in the U.S. the inter-carrier deployment was late to market and SMS benefits were rarely promoted effectively by service providers. Regardless, SMS was a success due mostly to the eager early-adopter subscribers -- typically young girls who used word-of-mouth to increase adoption among their friends and family. Meanwhile, the revenue generated was a cash cow -- even for the most inept telcos. But in the absence of any meaningful service enhancement, and with pricing that was high relative to the perceived value, it was just a matter of time before this party was over. New estimates from Ovum indicate that increasing use of alternative IP-based social messaging services on their smartphones has cost mobile network service providers $8.7 billion in lost SMS revenues in 2010, and $13.9 billion in 2011. According to Ovum's latest market study, they expect the SMS decline -- rep
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