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
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The Proof
2) Terrorism
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The Proof
3) 'Odd' career choices
The Proof
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4) Gay Marriage
The Proof
5) The Trump
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The Proof (well, kind of)
6) Pluto
The Proof
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7) Office Stationery
The Proof
8) The Media
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