It is now law, by the grace of the supreme magesterium of 'everyone is doing it' to include a list of your political likes and dislikes in your signature.

Likes: Ukip, Libertarianism, free-market capitalism, equality, euroscepticism, absolute transparency, absolute free speech, non-interventionism, lgbt rights, disability rights, youth rights.
Neutral: fascism, restrained capitalism, China, North and South Korea, UN, Russia, british liberalism
Dislikes: Communism, interventionism, socialism, affermative action, the labour party, apathy, abortion, environmentalism, unrestrained immigration, hate crime.