Joey Prusak has been a busy man since his act of kindness went viral. CBS Minnesota is among the TV outlets that have spotlighted his story. Minnesota.CBSlocal.com hide caption

itoggle caption Minnesota.CBSlocal.com

Howard Buffet on his 1,400-acre research farm in Wilcox, Ariz. Buffett, the son of billionaire investor Warren, is working to find permanent solutions to the world's hunger problems. Nick Oza for NPR hide caption

itoggle caption Nick Oza for NPR

Warren Buffett's Berkshire Hathaway announced that the billionaire investor has been diagnosed with prostate cancer. Seth Wenig/AP hide caption

itoggle caption Seth Wenig/AP