Promotion runs today and Tuesday only
Devotes resources instead to Firefox OS, its own mobile operating system
No sign of OS X 10.9 preview means Apple's running later than last two years
Google, Mozilla and Opera mum, but IE's decline slowed 22% during ballot's holiday
One of several ways Microsoft measures results of its attack campaign
Teams hack IE10, Chrome 25, Firefox 19, and Java 7 as eighth Pwn2Own gets off to an impressive start
Reports claim Microsoft's slashed Windows prices for smaller touchscreen notebooks and tablets
If past practice is a clue, Apple will support Java 6 on Snow Leopard until second half of 2014
Also releases Chrome 25 for Apple's iPhone and iPad, promises search improvements
Most dramatic improvement since October 2012 intro of new desktops
