Personal information collected during registration includes your first and last name, email address, username, and in specific cases, phone number. This personal information is combined with other Information such as your date of birth, country and information about your interests in and use of various products, programs and services and marketing preferences. Additionally, we collect and combine Information when you link a third party account (e.g., XBOX Live, PlayStation Network, Steam and Battle.net) to your Activision account, such as the username or User ID associated with you third party account, and the use of certain Properties may require you to link a third party account to your Activision account.