According to a survey conducted by Asia Plus Inc., smartphone photography has become very popular among Vietnamese aged 20-39. The survey found that over 79% of respondents take photos at least once a week using their smartphones, with selfies being the most common type of photo taken. Most photos are shared on Facebook and Zalo, and apps like Camera 360 are commonly used to edit photos. While smartphones are preferred for their ease of use, cameras are still used more for scenery and family photos. The survey provides insights into how smartphones and cameras are used differently in Vietnam.