I don't think I'll ever be 100% convinced by the micro-blogging of image-macros (saturation is finite; over-saturation is finite, too), but I can still appreciate this:
...if one GIF can be a "grammatical molecule", than 100 can be a "complete sentience" and 10,000 can be a "book"...
- Ryder Ripps, in a response comment following his article, "Introducing: dump.fm" on Rhizome.org
(Btw, I'm reading "sentience" as intentional.)
Way to go Ryder!