I slept with my sisters ex-boyfriend and I'm pregnant. She doesn't know. Help?

[AnnaJett]

Okay, so, on Twitter I am apart of the role-play world. (Geeky, ridiculous, waste of time, I know...) And there is a character who has always talked about tracing IP addresses. I know she could do this if I was signed up on a site such as Spruz or Ning, but I am only on Twitter. However, I think this is a total invasion of privacy. Of course, then again, I do have things to hide. She claims she could find out if I had other Twitter accounts and even able to see the WEBSITES i'd visited. Is this true? She isn't questioning me, she was just saying in general. How does she do this? Is there some magical list of instructions in doing so like she said? Or is it all bullshit?

Sincerely,

Utterly Confused

P.S. Sorry for the fakeout question.... I am just DESPERATE for answers here and I thought fellow teens could help out!