Whilst looking at different ways to advertise our campaign, I had a look at Guerilla Advertising.
Guerilla advertising ‘takes consumers by surprise, makes an impression and pops up where and when people do not expect it’ (creative guerrilla advertising). They are often for all members of the public- not having a specific target audience.
Here are some great examples I found:
Find more here: http://www.creativeguerrillamarketing.com/guerrilla-marketing/the-80-best-guerilla-marketing-ideas-ive-ever-seen/