Tomorrow Yahoo will announce a relaunch of Yahoo Profiles and their “all in” integration with Facebook Connect, including on the Yahoo home page. We’ve all known deep integration with Facebook was coming , but until now it wasn’t clear exactly how deeply Yahoo would go. The answer – pretty deep.

I was hit with a reminder this Sunday morning that I am indeed no longer a 15-year-old teenager. But if you are a Bieber-Swift-Pattinson-Stewart-OMGVampires-loving tween/teen, then boy does MTV have a Twitter visualization map for you. In honor of this evening’s MTV Movie Awards , the digital team at MTV have rolled out a highly interactive (almost too interactive) Twitter live-graph that will tell you via text and dynamic visuals what are the top trending topics/people related to the Awards show, how many tweets per minute each topic is averaging, and the content of those tweets.

It’s no secret that Google has ambitions of becoming an Enterprise productivity suite powerhouse; perhaps one day taking over the top spot from Microsoft. As Google’s President, Global Sales Operations and Business Development Nikesh Arora told us at TechCrunch Disrupt a last week, Google hopes for Apps to be a billion dollar revenue stream in three to four years.

How much would you pay for an Android phone? $99?

I’ve long argued that great entrepreneurs are born not made. I emphasize the word “great” for a reason. A hot market can convince someone to become an entrepreneur but such fortune-seekers are rarely the ones who build lasting, billion-dollar companies.

In his most recent email blast-turned- blog post , Jason Calacanis has chosen a familiar subject: Facebook CEO Mark Zuckerberg .

Editor’s note: Book rental startup Chegg is making money hand over fist. Guest author Steven Carpenter does a teardown of its business model and estimates its revenues will reach $130 million this year.