Possibilities: - they looked at signups at close.io after the evening, thus narrowing a list of female names for image searching. They could further limit this

Possibilities: - they looked at signups at close.io after the evening, thus narrowing a list of female names for image searching. They could further limit this to IP's from the austin area. - They bought the ad words 'justin gold', and 'justinbgold'. Then waited for her to google you, thus revealing IP addresses for further googling.