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For instance , if the cwnd is 10 segments and one segment is lost , a duplicate ACK threshold of 10 will never be met because duplicate ACKs corresponding to at most 9 segments will arrive at the sender . In 2000 , for instance , one in three taxable estates was valued at less than $ 1-million . For instance , McAfee has an option that allows me to log on each day and download any new updates . For instance , if a baby has severe reflux and is reluctant to eat , feeding times can be stressful for a caregiver .