This has been a ⓣⓗⓘⓝⓖ [thing] for quite some time - guess it might be making a come back, I've seen zalgo (http://knowyourmeme.com/memes/zalgo NSFW; ̖͈̪͙͉̰͈Z͓͎̬͓̯̖A̶̯̝̖͍̥̞L̻G̢̣̘͇̖͍̙O [Zalgo] generator http://www.eeemo.net/) and flip and reverse text live on my Facebook in the past at least.