Twitter icon for a fluid appIn response to our last blog post about Forbes Middle East‘s list of the top 100 Arab Twitter presences, we thought we’d share the Twitter Grader ranking of Lebanon’s highest graded tweeters, brought to our attention by @williamchoukrei in a recent tweet. Lebanon was conspicuously absent from Forbes’ top 100 list, despite having one of the largest Twitter communities in the Arab World, according to the Dubai School of Government’s current Arab Social Media Report.