Story highlights Obama touted his economic successes 
 
 He also praised same-sex marriage 
 
 Washington (CNN) Calling the presidency "the privilege of my life," Barack Obama took to Twitter Sunday to lay out his legacy in his own terms. 
 
 Obama began a seven-message series of tweets by saying: "As we look ahead to the future, I wanted to take a moment to look back on the remarkable progress that you made possible these past 8 years." 
 
 As we look ahead to the future, I wanted to take a moment to look back on the remarkable progress that you made possible these past 8 years. — President Obama (@POTUS) January 1, 2017 
 
 He touted "the longest streak of job growth in our history" and said that "after decades of rising health care costs, today nearly every American now has access to the financial security of affordable health care." 
 
 Facing the worst financial crisis in 80 years, you delivered the longest streak of job growth in our history. pic.twitter.com/Vk3PfRgZqF — President Obama (@POTUS) January 1, 2017 
 
 After decades of rising health care costs, today nearly every American now has access to the financial security of affordable health care. pic.twitter.com/5e4nEcCxIM — President Obama (@POTUS) January 1, 2017 
 
 The two-term Democratic president also highlighted moves toward green energy, the ends of foreign conflicts and the legalization of same-sex marriage. 
 
 We traded foreign oil for clean energy, we doubled fuel efficiency standards, & we acted on a global scale to save the one planet we've got. pic.twitter.com/7alrOtHNIr — President Obama (@POTUS) January 1, 2017 
 
 We brought home more of our troops & strengthened U.S. leadership—leading with diplomacy & partnering with nations to meet global problems. — President Obama (@POTUS) January 1, 2017 
 
 From realizing marriage equality to removing barriers to opportunity, we've made history in our work to reaffirm that all are created equal. — President Obama (@POTUS) January 1, 2017 
 
 Obama concluded by writing: "It's been the privilege of my life to serve as your President. I look forward to standing with you as a citizen. Happy New Year everybody." 
 
 It's been the privilege of my life to serve as your President. I look forward to standing with you as a citizen. Happy New Year everybody. — President Obama (@POTUS) January 1, 2017 
 
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– President Obama isn't the most prolific Twitter user out there, but he's making some use of the @POTUS handle while he still can. In a series of seven tweets on Sunday, Obama defended his legacy and the "remarkable progress" made during his presidency in areas including job growth and access to affordable health care, CNN reports. "From realizing marriage equality to removing barriers to opportunity, we've made history in our work to reaffirm that all are created equal," he tweeted. "It's been the privilege of my life to serve as your President. I look forward to standing with you as a citizen. Happy New Year everybody." There have been 340 tweets from Obama since he got his own account in May 2015, while Donald Trump has posted 34,202 since joining Twitter in 2009. The Guardian reports that the man lined up to be Trump's White House secretary, Sean Spicer, said Sunday that Trump will continue to use Twitter to announce policy and comment on current events after he becomes president later this month. "You know what? The fact of the matter is that when he tweets, he gets results," said Spicer, who described Trump's use of Twitter as a way to bypass the mainstream media. (On New Year's Eve, Trump taunted his enemies on Twitter.)