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@HackerRank, you guys really could keep me on your site for hours. I learn more here... than in class.Rock Hu, @r0ck1a
"X-Factor for Software Developers: HackerRank. #Tech #JobHunt #HackerRank"Michael Ben-David, @mikebd
"Kinda addicted to solving simple problems on @hackerrank, not gonna lie. #getbacktowork"Dan Kamerling, @DanKamerling
"I'm hooked on @hackerrank ! So much fun, and great for learning new languages as well as practicing maths/logic problems :) #stillonwarmup"Paul Perry, @PorlyP
"If you're interested in leveling up, I highly suggest @hackerrank."Raven Covington, @_raven_io
"I'm late to the party, but @hackerrank is addictive. Spent four hours in a row solving problems yesterday. #tired #coding #fun"March Cataford, @_mcataford