Google on Tuesday announced a long-standing update that finally allows users to change their primary Gmail address. It marks a significant shift as Google previously did not allow users to modify their main Gmail address once the account was created. According to the Mountain View-based tech giant, it applies to a user’s entire Google Account, including services lik…​Google on Tuesday announced a long-standing update that finally allows users to change their primary Gmail address. It marks a significant shift as Google previously did not allow users to modify their main Gmail address once the account was created. According to the Mountain View-based tech giant, it applies to a user’s entire Google Account, including services lik…  ​ apps