How many people work for the WMF or are active in the chapters is over 50? This was one of the questions on one of the mailing lists. As I received a really nice card from Valerie Sutton for my 53th birthday, I obviously qualify for that age group.
The card shows "Happy birthday" in the Flemish sign language and given that it is a different language, "Happy birthday"" is as accurate a translation as "Hartelijk gefeliciteerd". SignWriting, the script used in the card, is not yet encoded in Unicode.
The ambition for Wikipedias in sign languages has not diminished. Recently there was an update of the script engine and, one argument for this change is that it will make a MediaWiki extension for SignWriting easier.