https://engineering.fb.com/2014/03/17/android/introducing-the-facebook-messenger-for-android-beta-testing-program/attachment/35128531_1947789615252028_2304269913017024512_n/
35128531_1947789615252028_2304269913017024512_n - Engineering at Meta
Nov 6, 2018 - Visit the post for more.
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