Where there is a hashtag you can bet your life there's a company trying to cash in on it with there own 'quirky' take.
Sometimes it's not even a company but someone you just hope would know better - like your own government.
This was the Department for Work and Pensions' attempt to join the #BackToTheFuture trend on Wednesday...
Oh dear. First of all that is not Marty McFly or Doc Brown.
@dwppressoffice what the hell is that?!— Retro Kidneys (@RetroKidneys) October 21, 2015
The Guardian's Alex Hern had a pretty solid point.
.@dwppressoffice pretty sure if you have a time machine you actually can do without a pension, that’s basically the point of biff’s story— Pumpkin Spiced Hern (@alexhern) October 21, 2015
But a lot of people chipped in with some helpful advice.
@dwppressoffice delete your account— The Guyliner (@theguyliner) October 21, 2015
Or the odd film reference.
Other's weren't quite so succinct.
@dwppressoffice Considering your record with cuts, that might not be the best quote paraphrase to publicise— Kit James (@KingdomOfTheEgo) October 21, 2015
@dwppressoffice ironic because IDS will take UK back to 1980s— Ryan Lanham (@RyanMarkLanham) October 21, 2015
The DWP weren't alone - Visit Parliament tried to get in the act too.
.... which also failed.
But the UK wasn't alone, a similar attempt by the Russian Embassy similarly backfired.
@RussianEmbassy Not with Russia shooting down passenger planes.— Sarah Hurst (@XSovietNews) October 21, 2015
@RussianEmbassy Not for gay people in Russia— Alice Burton (@Alinguo) October 21, 2015
@RussianEmbassy Not while both russia the us & uk arm anyone & everyone.— Bob & Flo (@wickwar) October 21, 2015
Here are seven reasons why our future is better than Back To The Future: