Twitter is building a 'subscription platform,' and paying for tweets might be a thing

"This site is free" is a common refrain on Twitter. Meant to be read in the tone of sarcastic disbelief, it's often brought out to highlight the absurdity of a situation that someone has, typically, stumbled ass-first into online — on full display for all Twitter users to witness in real time, free of charge. 

However, if a job listing on Twitter's job board is any indication, that last part might be going the way of 140-character limits. According to the posting for a senior full-stack software engineer, first listed "10 days ago," the social media company is building a possibly paid subscription service.  Read more...