The quickest way to ruin the glow of a good trip is to land, turn on your phone, and start wondering how much every map search, rideshare booking, and photo upload will cost. Traditional international roaming has one big appeal: it is familiar. Your phone works with your usual number, and you do not need to think much before you travel. That ease is why many travellers still use it. The problem is that the convenience can come with limited control, confusing inclusions, speed