The profile picture on YouTube represents your personality and auro; therefore, it should be a well-prepared image which can define your perfection and profession amazingly.
Clearing cache on Instagram does not remove its username as well as password; it just removes the recommendations you receive while using the application and also free up the storage that was occupied with the Instagram's posts.
With the ability to switch and add multiple Instagram accounts, you can keep them well-organized as per the content you are running on the account.
Here is how to hide your activity status on Instagram. Turn off the activity status and keep your presence on the platform a secret.