The graph below shows the percentage of mobile phone owners using various mobile phone features in Vietnam in the year 2005, 2008, 2010.

The table shows the changes in the proportions of cell phone users who used different features of their phones in Vietnam from 2005 to 2010. Overall, the percentage of people using their phones to call, text, and record audio adhered to falling trends, with making calls being the most used feature throughout, while the reverse […]