QuickLinks -- Click here to rapidly navigate through this document
Exhibit 23.1
CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
As independent public accountants, we hereby consent to the incorporation of our reports included in this Form 10-K into the Company's previously filed Registration Statement Nos. 333-4802 and 333-44143.
/s/ ARTHUR ANDERSEN LLP |
Seattle, Washington
March 22, 2001
CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS