Twitter CEO On When Users Will Be Able To “Liberate” Old Tweets: We’re Working On Working On It. As the final question of the Web 2.0 Summit Dick Costolo speaker dinner, O’Reilly writerAlex Howard asked about when Twitter users will be able to access their Twitter histories, “I’ve got 49,119 tweets and 1/4 as many DMs, if Google has a Data Liberation Front, and 30% of your team is former Googlers, shouldn’t you guys be working on something similar?”