Hindustan Times Five-Billionth Tweet Posted to Twitter Digital Media Wire San Francisco – A former Current Media executive has posted what is purported to be the five-billionth tweet to the Twitter microblogging service, … India Inc is all a Twitter Business Standard Twitter's five billionth tweet – the 'pentagigatweet' – sent Telegraph.co.uk Twitter Reaches 5 Billion Tweet Mark Appscout (subscription) WebProNews (blog)