Even before the days of Skype, a deaf person had the means to complete a two-way call.

NEWYORKER: Little Strangers

Users download the free application off the Web, but instead of typing a text message, they use a headset, telephone or microphone and speakers to make a high-quality, two-way voice call to anyone else running the application.

FORBES: Skype Proves Anyone Can Sell Phone Service

The PRADA phone by LG 1.0 was the world's first touchscreen mobile phone, and the 2.0 provided an innovative mobile experience through its unique watch with Link technology, which allowed for easy access to caller ID, SMS text messages, call history, call block and two-way alarm notification.

ENGADGET: LG, Prada officially renew phone partnership, confirm v3.0 for early 2012

Hamasa Zaki, a plucky 19-year-old, started out in the call center but within two years has worked her way up to handling 30 accounts across Heraat, Bamiyan and Kabul.

FORBES: A New Calling

Although Pichette is a great speaker and presenter and while Huber and Wojcicki were clear in their remarks last night, the two newbies to the call last night read their scripts in a stilted and laconic way even by earnings call standards.

FORBES: What Was Larry Page Thinking on Yesterday's Earnings Call?

One way around that is to set up what some call "duo solos": having two players improvise at the same time.

NPR: Summing Up Drew Gress' 'Irrational Numbers'