Author John Trigonis explains the etiquette of an online ask

Creative types looking to have their projects crowdfunded are finding it increasingly difficult to break through the static, with more than 80,000 Kickstarter campaigns launched to date.

John Trigonis, author of the upcoming book Crowdfunding for Filmmakers, explains to the BBC's Matt Danzico that project creators must be now be extremely conscious of their funders' feelings when launching a campaign.