"If the base business were stronger, they could carry more losses in the digital unit."

As of September 2012, the song has sold 3,211,000 digital units.

The digital unit would be able to enhance the picture so we can get a better look.

The following week, it rose 26 positions to its peak at number four, selling 51,758 digital units.

By March 10, it had reached sales of one million digital units.

That month, she became the first artist to have five songs sell over 5 million digital units.

The song sold over 17,000 digital units in its first week.

As of April 2010, the song has sold 316,000 digital units.

Most are analogue signal processors, although a few digital units began to appear in the 2000s.

This processor united with other necessary conventional digital units makes up the topological computer.