Sony Reader customers can use the company's Library Finder software and check out e-books with a valid library card.

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According to the ETF Finder at ETF Channel, QSII makes up 2.69% of the Dynamic Software Portfolio ETF ( AMEX: PSJ) which is trading relatively unchanged on the day Wednesday.

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According to the ETF Finder at ETF Channel, CPSI makes up 2.59% of the Dynamic Software Portfolio ETF ( AMEX: PSJ )which is trading lower by about 0.3% on the day Wednesday.

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Other Windy City players that have made headlines in recent months include (though not in as infamous a fashion as Groupon) mobile marketing firm Vibe Media, food delivery and restaurant finder company GrubHub, online trading platform optionMONSTER (home of tradeMONSTER) and personnel management software company SilkRoad.

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