Given #thescope with which Twitter has #invadedpopularculture, it may come as a shock to realize that the company hasn't really ventured too far into the world of television advertising -- but then, it seems that it's been doing a pretty good job getting enough #freeadvertising as is. Clearly the folks at Twitter saw an untapped resource in the form of the #NASCAR audience, using the weekend's race to launch its first TV #adcampaign, revolving around fittingly pithy spots capped off with the TWITTER.COM/#NASCAR URL, which redirects to a landing page for the weekend's festivities. Relive the #thrilloftherace w