Fowler's next tweet emphasizes that she doesn't know who is doing the digging. She doesn't accuse Uber, and it might well be someone else. But given that Uber

Fowler's next tweet emphasizes that she doesn't know who is doing the digging. She doesn't accuse Uber, and it might well be someone else. But given that Uber famously threatened to spend a million dollars digging up dirt on critics, and Fowler just wrote critically about her experiences at that company, its hardly surprising that people jump to the conclusion that Uber is doing what they once threatened to do.