For some time this triggered a Facebook 500. Now just a 400 and a blank page. https://www.instagram.com/%ed https://www.instagram.com/%ed That "%ed" trick wor

For some time this triggered a Facebook 500. Now just a 400 and a blank page. https://www.instagram.com/%ed https://www.instagram.com/%ed That "%ed" trick works with some pages, I wonder what it does to them. https://www.reddit.com/%ed https://www.reddit.com/%ed https://outlook.com/%ed https://outlook.com/%ed