Earlier tonight, Alexia found and posted some screenshots of something that sure looked a lot like the mythical "Project Spartan". Shortly thereafter, Facebook took down the page in question. And for good reason. That was Project Spartan, we've now confirmed.

Whoops.

Well, to be fair, I've heard numerous times that they don't actually call it that internally. That may be a name that external developers use. No matter — we all know what I mean. It's the HTML5-based mobile platform that Facebook [...]

Read More: The Planets Are Aligned: Facebook’s Spartan And iPad Projects Set To Launch Early Next Week

This Facebook mobile developers page is pretty interesting, first of all because it starts with a statistic, "350 million users access Facebook from a mobile device every month," which was just released and then because it describes Facebook mobile web app features and includes screenshots that are unlike anything we've seen live.

Read More: This Sure Looks A Lot Like Facebook’s Project Spartan [Screenshots]

After a steady stream of information in June, all has been quiet on the Facebook Project Spartan front in recent weeks. Originally, at least some thought the plan was to unveil Spartan in July — but that obviously came and went. It's certainly possible we won't hear anything until f8 in late September now. But one new bit of information has come to our attention that could be related. Say hello to BoltJS.

BoltJS is a UI framework that's being built by Facebook for the purpose "helping developer [...]

Read More: BoltJS: Another Secret Piece Of Facebook’s Spartan Puzzle?