With the trend which is getting followed by Hollywood and Bollywood celebrity, Bollywood start following Twitter and Facebook now. BalajiTelefilms latest production "Once Upon a time in Mumbai" will use the huge network of Facebook and Twitter now. Balaji Telefilms has signed a deal with Ignitee Digital Solution to promote its upcoming film ‘Once Upon A Time In Mumbaai’ through social networking site Facebook. The film’s website MumbaiGoesRewind.com, designed and developed by Ignitee, is made like an editorial of the newspaper with 1970s feel.