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A former Gizmodo writer changed his name to ‘Slackbot’ and stayed undetected for months
(www.theverge.com)
This is a most excellent place for technology news and articles.
It is a space, so it's correct that it shows up. Non-breaking means that something like line wrap won't happen.
Putting it in the middle of a word will show up. That trick must've been a different character.
Ohh though u where talking about zero width spaces they are also fun.