Hidden Data Drains: Apps That Secretly Use Data in the Background While Traveling

https://research-wiki.win/index.php/Remote_Work_Data_Requirements:_How_Much_Do_Digital_Nomads_Actually_Need%3F

You bought a 10 GB eSIM plan for your two-week trip. You've been careful — you stream only over Wi-Fi, you use maps offline, and you don't video call obsessively. So why is your data half-gone after five days? Background app activity