You know, like everyone else we shook our heads at Citigroup’s new “blog,” which launched yesterday and features little news updates and interviews with executives at the company. We thought it sounded like a lame, corporate marketing ploy, not to mention the sort of thing that they really shouldn’t be spending money on at this juncture. But as it turns out we were wrong — people are really responding to this little form of outreach. They’re even leaving comments! Like on Vikram Pandit’s video post, which is entitled, “The Cornerstone of a new Citi: Responsible Finance,” a commenter called Boohunney wrote: “Too bad it wasn’t part of the old Citi.”