Apple registered a 50 percent jump in profit in Q1 2010, compared with the same period a year ago. The company posted revenue of $15.68 billion and a net quarterly profit of $3.38 billion, or $3.67 per diluted share, compared with revenue of $11.88 billion and net quarterly profit of $2.26 billion, or $2.50 per diluted share, in the year-ago quarter.

It's Tablet Day Minus One, and Apple's on a Roll