In addition to writing music, Slak, a virtuoso on diatonic button accordion, developed several improvements for the instrument, adding extra buttons.

Add buttons on the outside of the phone.

He copied Atari's game, adding colored buttons and musical sound effects, and created the Simon hand held game, which became a major success.

In Safari 5 or later toolbars can be created as extensions that add bars and buttons.

In Opera 11 or later toolbars can be created as extensions that add buttons to the browser window.

That was the case in February, when she took some perfectly fine jackets and added golden knitting-needlelike buttons and then - showtime!

Then she adds fanciful buttons and trimmings.

However, users can customize the RCU900's display screen to add extra buttons for arcane functions.

The second version, the String Melody II introduced in 1977, added more buttons for further hard wired settings.

Features that let users add custom backgrounds, images and buttons or choose among stock colors are included.