In a bustling market near the center of the Cambodian capital, Phnom penh, Soray Peah, 24, is testing the ringtones on a cellphone she wants to buy.
It can also convert polyphonic and monophonic ringtones.
In some countries, street hawkers assign special ringtones to different customers, which are in effect free messages placing orders.
And the pay approach for mobile games, ringtones and videos has long been used by other tech purveyors like Verizon and Research in Motion, and even third-party app stores like Handango.
But consumers might download more music, ringtones and games on to their mobile handsets if it was quicker and cheaper at home.
Milo's pocket sent out ringtones of a Green Day download. Of course it was Tina.
You can also create ringtones out of songs you downloaded.
These range from music and ringtones to videos and e-books.
My mother and I, a candle on a candlelight reflected house full of warmth, when I was enjoying the wonderful moment, a string of ringtones broke the happy picture.
Boys as young as six chant for the regime to fall as they play in the street and as mobile ringtones trill “Ya Heef”, a song about the protest that started in Deraa and spread around the country.