Zhang Xuefeng -- the popular social media influencer from China known for his college exam content -- has died ... his company announced on social media. Suzhou Fengxue Weilai Education Technology Co. posted the news Wednesday ... writing Xuefeng died after going into sudden cardiac arrest. The company said ... "The passing of Mr. Zhang Xuefeng represents an immense loss to the educational community. We pledge to carry forward his legacy and continue our commitment to helping even more students