Google Contacts, the address book built into Gmail, lets you keep track of all your contacts, see when you last interacted with them, and more.
Log campaign proof decisions before the next review handoff.
Your proof tasks show who decided, which file version they reviewed, and who takes the next step.
Put the current campaign proof in the reviewer's task.
Your reviewers get a clear task for the current proof. They know what decision to make and when it is due.
Put revised campaign creative back before its reviewer.
Your reviewer gets a task ready to review, with the replacement proof and its version named in a comment.
Route rejected campaign visuals back to their original makers.
Your original maker gets the rework task and sees why the reviewer rejected the proof, with the reason tied to the reviewed file.