The sons who are too busy to find time to call their moms finally have a technical means to make up for the deficiency. They do not have to take the trouble to pick up the telephone handset any more. Just leave a few lines on a microblog. A microblog is some short messages of one or two sentences that you send to several particular friends and relatives, which usually tell them what you are about to do when sending the messages. It is a new type of communication mode, different from the e-mail and Internet instant messages. The persons who receive your microblog messages do not have to reply. They just have to take a look at them.