i brought something on ebay from the USA and i got it with express international mail. it is going to buenos aires. the seller sent in on the 27th September. it hasnt came yet but the seller said it should this week. but the tracking information hasnt updated since the 29th which is when it left the USA. the tracking says this:
Your item left the United States from ISC SAN FRANCISCO (USPS) at 10:31 pm on September 29, 2010. Information, if available, is updated periodically throughout the day. Please check again later.

Detailed Results:

International Dispatch, September 29, 2010, 10:31 pm, ISC SAN FRANCISCO (USPS)
Arrival
Processed through Sort Facility, September 28, 2010, 4:48 pm, SEATTLE, WA 98168
Acceptance, September 28, 2010, 2:25 pm, AUBURN, WA 98002
Electronic Shipping Info Received, September 24, 2010

does upsp not always update the information and when do you think i will get it?