Updated: Hadoop, the open-source software framework, is one of the technologies we have been following closely. If you are equally interested in Hadoop, then we have 10 free tickets for The Hadoop Summit that is going to be held this Wednesday, June 10, at the Marriott in Santa Clara, Calif. Speakers will include folks from Yahoo!, Amazon, Cloudera, Facebook, HP, IBM, Microsoft, Sun and leading universities. In order to get a free ticket, send an email to info at gigaom dot com with subject: Hadoop Summit. Tickets will be given away on first come, first serve basis. Update: We have given away the 10 tickets. Thanks for sending us your emails. Winners, enjoy the event.