Starbucks Corporation is scheduled to announce its Q1 earnings on January 24. The second half of 2012 was eventful for Starbucks with the company launching its own single-cup brewer system called the Verismo as well as acquiring the Atlanta based tea leaf company Teavana for $620 million. The company’s stock has gained almost 10% since its last earnings was announced. Here are some of the trends to watch out for in the upcoming earnings.