What you should be viewing on the Internet and on screen: Football season officially begins; new Yahoo! logo; Tetris goes a cappella.

Screen time

It’s time! Football fans rejoice, even if their team isn’t playing tonight. Catch the first game of the season with Baltimore at Denver. … 8:30 p.m. EDT tonight, NBC.

Best of the day

Yahoo! has revealed its new logo — to a chorus of “boo.” Yahoo! CEO Marissa Mayer designed it herself one weekend (with some help), and “geeks out” about the look.

Hot video: Amazing a cappella version of Tetris, other video game songs

Smooth McGroove is a viral sensation thanks to his incredible a cappella covers of famous video game songs.

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