is there a video anywhere (for instance on youtube) where this is demonstrated?...i don't understand how it's possible to expand the size text on a page and not exceed the margins of the page when the original page fills the screen...don't get me wrong; i think it's great but i can't get my senior citizen brain around how it works without seeing it.tim
It is called "re-flowing" text, and it mostly works with e-readers. Web browsers are constrained as HTML interpreting engines, so pages will usually look like the web-master wrote them, even when enlarged right off the screen edge.
Here is the same portion of Terry Pratchett's Dodger, with different font sizes:
