Twitter has introduced new features to its versions of  apps for iPhone and iPad.

Twitter said it is now easier to upload photos via a camera button in the tool bar, along with a better image preview.

An autocomplete feature makes it faster to tweet on the go offering speed and accuracy.

Other features of the update include:

*Follow friends on Twitter via contacts on your phone.

*View local trends based on location.

*Automatically shortened links.

*A Quick Bar that lets users see trends at the top of their timeline.