Tech support personnel might have to go desk to desk to do fixes, or perform maintenance on e-mail servers that have become clogged with virus-generated messages.

CNN: 'Navidad' computer virus poses moderate risk

Just think of all the extra waste paper generated when messages containing such waffle are printed.

ECONOMIST: Legal disclaimers

After the tsunami and nuclear accident on 11 March in Fukushima, Japan a UNESCO-supported programme raised over 1 million euros to help rebuild schools, while the Kizuna project generated 30, 000 messages of solidarity from children worldwide.

UNESCO: Education

Nice chart below that shows the huge number of text messages now being generated each month.

FORBES: OMG! U.S. Teens Devouring Mobile Data, Texting Like Crazy

But others are randomly generated, and are against the law if no consent has been given to allow such messages to be sent.

BBC: Ministers urged to tackle nuisance texts and cold calls