Who can view my Social Network content?
Here are the default social network content sharing settings:
• Public posts are visible by anyone, whether or not they have a Facebook account when the audience set to Public.
• Posts shared with ‘friends of friends’ will increase the audience to unknown Facebook users.
• Posts (the default setting) are visible by anyone, whether or not they have an Instagram account.
• Private account posts may only be visible by approved Instagram followers.
https://help.instagram.com/448523408565555
Snapchat
• By default, your privacy settings for “Who Can…Contact Me” are set to “friends”
https://support.snapchat.com/en-GB/article/privacy-settings
• Public Tweets (the default setting) are visible by anyone, whether or not they have a Twitter account.
• Protected Tweets may only be visible by your Twitter followers.
https://support.twitter.com/articles/14016#
YouTube
• Public videos are visible and shareable by anyone using YouTube.
• Private videos are visible by you and the users you select.
• Unlisted videos are visible and shareable by anyone that has the link.
https://support.google.com/youtube/answer/157177?source=gsearch&hl=en
Google+
• Public posts are visible by anyone, whether or not they have a Google+ account when the audience set to Public.
https://support.google.com/plus/answer/6320417?hl=en-GB&ref_topic=6320366
