價格：免費
更新日期：2018-11-18
檔案大小：51 MB
目前版本：1.4.6
版本需求：需要 iOS 10.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Survey participants answer questions about their household’s mail for one week for the Unites States Postal Service’s Household Diary Study.
Report the mail and packages received and sent by answering questions and taking photos of your mail. This is the second part of a two part study that the United States Postal Service is conducting for the past 30 years. Call 1-888-441-8777 (USPS) for assistance.
支援平台：iPhone