Using modern technology, such as computers, mobile phones and ‘smart’ equipment to monitor a partner, or to stalk and harass someone who wants to leave the relationship. Abusers may use GPS systems to locate their partner, or specially designed Apps to install tracking software on phones or ‘smart’ devices such as key finders. Social media and the internet can also be used for this form of abuse, which can involve harassing someone via social media or posting unwanted photographs or information about them online.