This new option on Instagram to send people photos for two seconds is fantastic. There can be unknown to you, who can take a screenshot with his phone and save your image, without taking care about the notifications of Instagram to you. To avoid this, remember that you can keep your profile private, in order to let only your well-known followers see your posts. Hoping that your followers are rally your friends! To let your Instagram profile private, you have to go into setting and activate your private account.