r of 1998. Net sales for all of 1999 were 1.64 billion, a 169% increase over net sales of $610 million for all of 1998. Pro forma operating loss!
             for the fourth quarter of 1999 was $175 million, compared to a pro forma operating loss of $18 million in the fourth quarter of 1998. The fourth-quarter pro forma net loss was $185 million, or $0.55 per share, compared with a pro forma net loss of $22 million, or $0.07 per share, in the fourth quarter of 1998. Amazon.com's registered customers have been dramatically growing in recent months. In 1997, the company had 1.5 million "cumulative customer accounts" which grew to 6.2 million accounts. In first quarter of 1999 cumulative customer accounts increased by more than 2.2 million to 8.4 million. Repeat-customer orders for the quarter increased to more than 66%, up from the 1998 rate of 60%. Amazon.com's customer accounts continue to grow into the fourth quarter of 1999 with an increase of 3.8 million to more than 16.9 million at December 31. This represents an increase of more than 17
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