Do you have a type, when it comes to fonts? This year marks the 30th anniversary of what’s widely seen as both the most recognizable and most reviled typeface: Comic Sans. In the latest instalment of Word Processing, our ongoing look at language, Piya Chattopadhyay speaks with author Simon Garfield about how Comic Sans evolved from a playful, curved diversion from stern-looking serifs, to a laughing stock font... and why we just can't write off the sometimes off-putting form of expression.