Xia Xiwan returned to Youlan Garden and gave the Barbie doll she’d bought to Old Mrs. Lu. Delighted as a child, the old lady immediately snapped a few photos to post on Weibo. “Wanwan, are you on Weibo? I'll follow you. From now on, Grandma will be your number one fan!” Xia Xiwan hadn't expected the old woman to be into something like Weibo. She had, in fact, just started her own account. After tr