MPs are used to receiving scathing retorts when they post anything earnest - or sometimes anything at all - on Twitter.
So when Nick Clegg sent a call-out for questions about family and parenting, he must have been prepared for some less than helpful responses. And he got some.
Luckily, there were plenty of serious responses as well, and the Deputy Prime Minister set about answering them.
Although some people, it seems, will never be impressed: