The Chinese suppliers enter all the USPS tracking numbers into a database that you can track via 17track.net or trackingmore.com and selecting LTEXP as the carrier. Beware however that this tracking information can be manipulated so you can only rely on it to a certain point. Source: 12 months ago

I can use trackingmore.com put in the tracking number and then changing the courier to Ltexp and that will provide you with more information, for the most part. Like I have a package arriving from China. It says 4/25/2023 Jamaica, NY shipping label created, USPS awaiting item. If I type the tracking number and Ltexp, it says Shanghai, Item Information Received. So while mine is taking a crap ton long to get here,... Source: about 1 year ago

Go to trackingmore.com and enter the tracking number, but for carrier, instead of using USPS, enter LTexp from the drop box. It will show you the actual tracking from where it started in China. Source: about 1 year ago

I've been doing online tests for about 7 years now. I have most of my stuff on socrative.com. I can give multiple choice, true/false, multiple select, and short answer. I have them turn their desks around during the test so I can see everyone's screen. I run GoGuardian as well so they are locked to the test site. Source: about 2 years ago