Obama speaks about the economy at an appearance in Wisconsin.
A break in software known as the Great Firewall, has allowed people in China access to the forbidden Google+, the BBC reported.
They've been using their new found freedom to leave a few hundred or so messages for President Obama on his Google+ page.
"The expressions contributors used were in the style of mainland China and in simplified Chinese," the BBC said. It noted that some people made jokes, while others were more serious, asking for liberty in the case of civil rights activist Chen Guangcheng, who is under house arrest.
"Many people don't understand the meaning why all Chinese are coming here. We envy American people their democracy and freedom," Agence France-Presse quoted one poster as saying.
Google+ is among the social media sites that are typically blocked in China. Still, somehow Google+ appeared to become available through some users' mobile devices, AFP said.
More from GlobalPost: China government pushes for real names online
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