You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
If the sensor dries, residual humidity will stuck inside package thus causing bad readings, one way to test is to create a close box enviroments and do reads with you box and another sensor
There's a hole in the package; whatever humidity is left inside will eventually evaporate either way. I'll cross check it with another sensor, but the readings I got yesterday indoors looked reasonable.
