Elsbeth Tascioni rips off her intercom and tosses it away. In between she doesn't make any move to pick it up, but in the next shot the intercom is back to its previous position on the table.
When Elsbeth Tascioni and Gordon Higgs are talking on a bench outside Gordon's office, Radio City Music Hall is clearly seen in the background as well as a New York Sports Club which has no locations in Chicago.