Textual analysis, as part of the metodolgy of Content analysis, works as a good technique to gather information from other people to see how they see the world, members of various cultures. Different information can be analyzed such as that contained in pictures, text, audio or video. Textual analysis of course is using only written text.
For the specific topic of the expanded role of gender in pop culture a good source of media are the blogs online which is a discussion or informational website with diary-style text entries people can make a blog (post some text) and it gets displayed in reverse chronological order, so the most recent post appears first, at the top of the web page, Whe someone makes a blog it is people that want to inform others sharing information and their points of view. Some of them are really prepared and even have a college degree from some university in gender studies, and they post online, which is a pop media platform; therefore, they would be the best source of information and it could provide us with examples of historic actions that prove that gender roles have changed.
Nowadays you can have a diferent biological gender that the one you represent, example of this is Angela Ponce a transgender born male in Spain competing on the female miss universe contest.