More changes await Twitter users as service tries to grow
![More changes await Twitter users as service tries to grow](http://bloximages.chicago2.vip.townnews.com/lacrossetribune.com/content/tncms/assets/v3/editorial/a/b3/ab32d303-a1ad-55d6-852c-fdb19404e332/5811f721b9b51.image.jpg?resize=300%2C200)
NEW YORK (AP) — Twitter users are bound to see changes as the beleaguered service favored by journalists, celebrities, politicians and cranks tries to broaden its appeal and attract advertisers.