Palm Inc. announced their fourth consecutive quarterly loss today. The company posted a fourth quarter loss of $43.4 million. In its conference call Palm blamed the loss on lower average margins, its continued transition and declining sales of its aging Windows Mobile product line. All the news was not negative and increasing Centro momentum drove significant gains in market share and record smartphone sell through for Palm. The company also announced it will be refreshing its entire Windows Mobile line utilizing Microsoft’s latest offerings over the next few months.