Looks good. There are two things I'd suggest: (1) gmail oauth integration: instead of having people forward tracking numbers to you, you can read their mail fo

Looks good. There are two things I'd suggest: (1) gmail oauth integration: instead of having people forward tracking numbers to you, you can read their mail for them. (2) If you can collect just a bit more data (destination address), you should be able to construct some useful statistical models predicting when packages show up at my address as a function of delivery service, day of week, season.