85% will open an attachment, if it came from a friend

85% of 1,162 people questioned by Tickbox.net and online marketing agency Markettiers4dc said they would open an attachment sent by a friend or colleague, compared to 84% last year. Humorous content was cited as the top reason people opened attachments or forwarded them to friends. 83% of respondents forwarded emails to make the recipient laugh. 58% sent emails on to recommend something.