Most famous Mozilla web browser added an awesome new feature in their latest version,which is called Firefox container.By using this feature users can seperate  site data for contextual identities.In simple form users can log in  multiple accounts on same site,at the same time.we can enjoy privacy and security by seperating site data.Asper firefox security engineer Tanvi Vyas explains,the goal of the new containers feature is empowring firefox to help seperate my online identities in the same way i can seperate my real life identities.