A lot has changed in the last 20 years - mobile phones, the internet, Donald Trump's hair... oh, maybe not.
So it's no surprise that what was once deemed pretty sensible popular opinion, now in hindsight looks a little short-sighted.
A recent Reddit thread sought to highlight some of the finer examples...
1) Online Dating
3) 'Odd' career choices
4) Gay Marriage
5) The Trump
The Proof (well, kind of)
7) Office Stationery
8) The Media
The Proof (erm... the jury is still out)