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  "documentTitle": "US Mail Volumes to 2020",
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  "notes": "The chart shows a net decrease from 11.4B to 8.0B units, with positive drivers (rebound, growth, targeting) and negative drivers (shift to standard, online, email).",
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      "text": "1. Shift to Standard Mail indicates migration of advertisements from First-Class Mail to Standard Mail. Source: BCG analysis, customer interviews, USPS RPW reports 2009, USPS Household Diary Survey 2008",
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