If you're a content creator... and if you post on Twitter, you are... The depth of the affection your followers have for you is just as important as the breadth of affection you have. Maybe more so! Recommend sacrificing breadth at times to deepen depth. 100 true fans!
Never had an autograph request but the picture dudes can be a problem sometimes. One started texting my public # once and it was kinda an ordeal.