An epidemic of noise

One annoying habit that people are developing fast is playing audio on their phones out loud. Either the songs on their cells, or even FM radio. They put their phones on "speakerphone" mode and just play these songs out loud. This happens on buses, in bus stops, in (small) restaurants, in autorickshaws and even as they walk. It's incredibly annoying and almost no one ever objects. In a few rare cases it is good to have that music, like on long bus journeys or when the bus breaks down. But most of the time, I can do without it. Count this in the category of ways in which technology is bad.