Facebook's made a series of slip-ups in its transition to mobile. Their previous Facebook app, with its HTML5 underpinnings, was a slow and clunky mess. Facebook Home was launched to minimal interest, and the core app itself continues to stagnate. Through all of this, there has been one minor, but essential, change Facebook could implement to improve the experience for a sizable number of users. As of today, an update to the Facebook beta has finally done away with that unforgivable blemish - the legacy menu button is apparently no more!