An anonymous reader writes "Twitter co-founder Biz Stone today decided to offer some business advice for Facebook: launch a premium subscription service. For $10 a month, Stone figures the company could get rid of ads on its site for those willing to pay to go 'premium.' He says in part: ' Anywhoo, now that I’m using it and thinking about it, I’ve got an idea for Facebook. They could offer Facebook Premium. For $10 a month, people who really love Facebook (and can afford it), could see no ads. Maybe some special features too. If 10% percent of Facebook signed up, that’s $1B a month in revenue. Not too shabby. It’s a different type of company, but by way of validation, have a look at Pandora’s 1Q14 financial results. Of all Pandora’s revenue generators, the highest growth year-over-year by far (114% growth rate) is in subscriptions—people paying a monthly fee for an ad-free experience....."