What does 软文 and 小号 mean in internet slang? Just like the title says, what does 软文 and 小号 mean in internet slang?

For example:


  还有就是严禁那些动不动就说是软文或小号的人发言
On the Internet, 軟文 means an article intended as advertisement but disguised as ordinary posts. 小號 means the auxiliary accounts, referring to the usual practice of cyber forum participants maintaining multiple accounts so that his or her posts can be bumped up or appeared as if well received.