Undoubtedly you have all seen photographs of people on TV and online who have been blurred to hide faces. For the most part this is all fine with peoples' faces as there isn't a convenient way to reverse the blur back into a photo so detailed that you can recognise the photo. So that's good if that is what you intended. However, many people also resort to blurring sensitive numbers and text. I'll illustrate why that is a BAD idea.

Hack 'n' Slash

www.hacknslashthegame.com

Hack ‘n’ Slash, puzzle adventure game about hacking and reverse engineering.

Recently I opened the Twitter app on my Mac and noticed something very strange: It was omitting promoted tweets from my timeline. In the side-by-side comparisons below, notice the "howaboutwe.com" promoted tweet from Twitter.com on the right is missing from the Twitter.app feed on the left.