Majority of Boomers Are Using Rebate Checks to Pay Bills, Buy Necessities or Save for Retirement, According to Eons.com Poll CHARLESTOWN, MA--(Marketwire - May 13, 2008) - Today, Eons.com, the largest social networking site for baby boomers, revealed the findings of its "Rebate Check Boomer Poll" which polled more than 700...