Twitter, the microblogging site was overwhelmed with messages in India since the moment US President's Air Force One touched down at Mumbai. Twitter with swamped with messages ranging from eating out suggestions for the US first couple to humorous comments on his visit. Gursimran Khamba, a humorist said in his tweets " All I have to do is smile, say namaste and make an Amitabh Bachchan reference to have all of you eating out of my hands." But, there are also some serious comments about Obama's speech to pay tribute to Mumbai's terror victims. "What a charismatic, resilient & dynamic speech made by Obama at the Gateway of India across the Taj... highlighted strong Indo-US ties," said Zoran Saher.