While cricketers have been used as the faces to promote major companies of all hue, some of those moves tend to backfire as the firms in question fail to deliver. Harbhajan Singh came heavily on twitter on people who questioned his association with real estate firm, which embroiled controversies. Some of the people, who had invested considerable amounts of money in the housing projects, took to Twitter to take pot shots at Dhoni and Harbhajan. Reacting to one question, Harbhajan said he could be his friend but not mine, so better ask him (Mahendra Singh Dhoni) not me, use your brain. To know more details follow his twitter account.