User named Timeless seems to be heavily linked to Microb development. At least if you look guys bug reports. It also amazes me how much he is involved in other projects too.

And looks like he has commented something to that blog also.

.edit
And the thing that should be used more extensively everywhere on N900 is so called threading. To provide smooth user interface experience as same time to load content on background. Microb probably uses this and also look QT demos about this stuff. Its not something new or miraculous its basic stuff.