Why are all of the Twitter profiles blue? Millionaire musicians appropriate the language of charity to promote more expensive alternative to Spotify

Forget Spotify - why not pay double for a nominally higher quality audio service instead? That's the message being sent out by a bunch of popular celebrities on the Twitters today. You may have noticed that a bunch of famous names that the kidz like, including Kanye West, Rihanna and Madonna have all turned their…