Two Slice is a surprisingly readable 2-pixel high font

There's the 1-px side subpixel font named Millitext and a 3px-wide subpixel font that passes as type, but sticking with full pixels makes legibility tough at tiny sizes. Jason Kottke's Silkscreen is exemplary at 4×5. Making a gruesome 3×3 font is a kind of ritual for pixel artists. Nanofont is 3×4 with a 2-pixel tall lowercase, but today I find myself s…