StefanPfeiffer on Twitter: "#Twitter to add a #newsletter 'subscribe' button to profiles for simple sign-ups The button, which will live prominently on the profile pages of those who choose to turn on the feature, will be available to anyone with a @Revue account @mashable https://t.co/kwFAFzUmWq… https://t.co/hMOSbmRrnd"

“#Twitter to add a #newsletter 'subscribe' button to profiles for simple sign-ups The button, which will live prominently on the profile pages of those who choose to turn on the feature, will be available to anyone with a @Revue account @mashable https://t.co/kwFAFzUmWq”