Det Sgt Erwin said Natasha, who was part of a close-knit group of 10 friends at Worcester's Royal Grammar School, then sent back a message on Formspring asking: "Who are you?"
It also emerged during the hearing that Natasha, whose parents had separated, came home from school in tears around two weeks before her death, saying she did not have any friends.
Det Sgt Erwin told the hearing that officers had spoken to some of Natasha's friends in the days following her death and had found that she also had a "disagreement" on Facebook on Feb 13.
After the jury ruled that the schoolgirl had taken her own life, her parents, Andrew and Jane MacBryde, said they believed anonymous messages on Formspring had played a significant role in the events leading up to her death.
The statement, issued by British Transport Police, said: "As a family, we continue to deal daily with the impact that the terrible loss of Tasha has had on all of our lives. She was a bright and beautiful girl whose smile and sparkle lit up not only our world, but also that of her friends and all who knew her."
The family added that the inquest had been "an agonising process", but had allowed them to feel closer to their daughter.
"We believe that the evocative lyrics of one of her favourite songs, Grenade by Bruno Mars, coupled with access to certain websites suggesting such actions, caused her to make such a sudden drastic and uncharacteristic decision," they said. "The family believes that the anonymous postings on the Formspring social networking website were a significant contributor to the events on Feb 13, and we seek to understand the motivation of those who choose to send spiteful and vindictive messages to their peers. We can only hope that lessons have been learned." Formspring is a question and answer based social website that allows users to ask questions about other users. It has been accused of encouraging cyber-bullying due to the anonymity of entries.
Last March, Alexis Pilkington, 17, committed suicide in New York after insulting comments about her were posted on the site in the days leading up to her death.
Article Source KBG Test Blog (http://rc.kbg.me)
