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...carriers are very concerned that messaging isn't generating the revenue it has in the past," remarks IDC analyst Richard Murphy. "Consumers are becoming more savvy, buying just the buckets they need. Many are signing up for unlimited plans, which will only drive down revenues more...
Cost analyses will stay flexible because SMS isn't constrained by capacity, says Collins. He draws an analogy to amusement parks: "Once you build the park (or wireless network), the marginal cost of each customer (or text message) is minimal...
...problem is that, according to the model, vaccinations would have to begin by mid-September - but the first batch of the vaccine isn't due until October. "Clearly the best strategy is to vaccinate schoolchildren first," said Longini. "The problem is the supply of the vaccine." That means the disease could begin to spread, and quickly, before protection from vaccinations could take hold...
...course, Project Impact isn't perfect. You'd think that if Walmart was going to open a massive new store with a cutting-edge layout, the company would at least put a sign up. In West Deptford, it's easy to miss the entrance to the Walmart - which is buried in the back of a parking lot - while driving along a main thoroughfare. And of course, customers will always nitpick. One elderly shopper complained about a shortage of benches in the store (she needed a rest). Another had a more esoteric, yet legitimate, gripe. "Their meat is leaky," says Jeff...
...that doesn't mean that every urban resident is at higher risk of heart disease. For most healthy people, the exposure to city air and transient changes in blood pressure isn't dangerous. But, says Brook, "it's plausible that if someone has underlying hypertension or coronary disease, then these changes in blood pressure and blood-vessel function might be exaggerated and might even trigger a heart attack. The levels at which we encounter these particles today is still dangerous to people who are unhealthy and at high risk." (See pictures of the effects of global warming...