Twitter CEO Jack Dorsey’s big product changes are not winning any love from users

Since returning to Twitter Inc in July, Chief Executive, Jack Dorsey has made a handful of dramatic changes to the micro-blogging service – and promised more.
Since returning to Twitter Inc in July, Chief Executive, Jack Dorsey has made a handful of dramatic changes to the micro-blogging service – and promised more. But the new features so far have been unsuccessful at doing the one thing Wall Street wants most: getting more people to use the service.
Analysts say Twitter’s st