Texas has 8.25% but New Mexico is 5.125%
Sunland Park, NM (which is part of El Paso, TX metro are has an additional city+county tax of 2.125% so the taxes are the same as in Texas (the numbers may be slightly off, but the final tax rate is very close to Texas)
You can control which apps can send notifications to fitbit, at least on Android
But I agree, the Uber ones are the worst