Check out the top SEO, search engine and Internet marketing industry news stories from around the Web this week.

comScore Releases March 2012 U.S. Search Engine Rankings
comScore, a leader in measuring the digital world, recently released its monthly search analysis of the U.S. search marketplace. View the results here.

Wordwide Social Media Usage Trends in 2012
According to eMarketer, there will be 1.43 billion social network users in 2012, which is a 19.2% increase from 2011. A Pew Internet survey found that 65% of Internet users in the U.S. use social networks which is up 4% from last year. For more details, read the full article.

Google Grows Revenues 24% from Last Year, Plans New Class of Stock
In the first quarter of 2012, Google’s revenues rose to $10.65 billion, making Google’s net income $2.89 billion, or $8.75 per share. Read more details here.

Google-Oracle Trial Begins Today, Could Change Android Forever
The Google-Oracle trial starts today concerning Oracle’s lawsuits against Google over Java-related patents owned by Oracle. Google used Java when developing its Android mobile operating system. The outcome of the trial could change Android drastically.

Yahoo’s Re-Organization: Search Stays Alive, At Least on Paper
Following the layoff of about 2,000 employees, Yahoo’s new corporate structure will take effect on May 1st. The company will split into three primary divisions, Consumer, Regions and Technology, according to Search Engine Land.