Posted Online: June 07, 2009, 12:00 am

Stores, brands tap into power of frugal bloggers

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NEW YORK (AP) — When Melissa Garcia was frustrated by Old Navy's scanty coupon offerings, she didn't just complain to the store. She vented on a message board tied to her blog, which is read by at least 30,000 people each month and now, increasingly, by corporate America.