How to disable WhatsApp read receipts (2 blue check marks)

How to block someone on WhatsApp (and unblock)

How to hide your status from someone on WhatsApp


How to stop Facebook from tracking your location

How to hide your Facebook friends list from others

How to turn off Facebook group notifications

How to turn off Facebook email notifications

Samsung Galaxy

How to disable picture-in-picture on a Samsung Galaxy (Android 8)

How to disable device security on a Samsung Galaxy (Android 7 and 8)

How to disable Device Security in Smart Manager on a Samsung Galaxy (Android 5 and 6)

Social media

How to block someone on LinkedIn (and unblock)

How to make a Pinterest board private (secret)

How to make your Twitter account private (profile, tweets and followers)