Teenagers especially knows to addiction. The feeling of not being able to put it away. It could be horror. The strangely but enjoyable feeling of getting scared.
The feeling of being alive. But it could also be cellphones. Almost every teenager has one and is probably a lot online. It is very addictive.
It could be a symbol for when everything was good and when she was not taking over hundreds of selfies a day. In that part there is also mood words to describe her running away.
The ones who are following her could be the soul she has lost. For every picture she takes she is loosing a bit of her soul every time.
She is also describing the only sound is the blood beating in her head and the air is scented with Jasmine (p.12 ll. 11, 12,13).