Change in Quantity Demanded

Definition: Quantity Demanded is seen in the following direct relationship:
Demand Increase~Quantity Increase at Same Price
Demand Decrease~Quantity Decrease at Same Price

Article Examples:

Business respond to an either increase or decrease in quantity demanded by appealing to consumer tastes. Ex. Music stores are appealing to people who desire vinyl records, so an increase in quantity demanded is seen.
http://iw.newsbank.com/iw-search/we/InfoWeb?p_action=doc&p_theme=aggdocs&p_topdoc=1&p_docnum=1&p_sort=YMD_date:D&p_product=AWNB&p_docid=11AF0FB997E61678&p_text_direct-0=document_id=(%2011AF0FB997E61678%20)&p_multi=CREB&s_lang=en-US&p_nbid=W5EB48IFMTI5ODU4MTE2NS43MjUxMjM6MToxMDoyMDkuNy4zNS4w

Also finding way to conform to quantity demanded and increase sales is turning to the internet.
Ex: http://iw.newsbank.com/iw-search/we/InfoWeb?p_action=doc&p_theme=aggdocs&p_topdoc=1&p_docnum=1&p_sort=YMD_date:D&p_product=AWNB&p_docid=12303A5109D9CE08&p_text_direct-0=document_id=(%2012303A5109D9CE08%20)&p_multi=TND1&s_lang=en-US&p_nbid=Y59P43NAMTI5ODU4MDYzMi40OTk4OTU6MToxMDoyMDkuNy4zNS4w

Another article illustrating this topic of change: http://iw.newsbank.com/iw-search/we/InfoWeb?p_action=doc&p_theme=aggdocs&p_topdoc=1&p_docnum=1&p_sort=YMD_date:D&p_product=AWNB&p_docid=10ECF1D10E8C9C00&p_text_direct-0=document_id=(%2010ECF1D10E8C9C00%20)&p_multi=CTRB&s_lang=en-US&p_nbid=W63B4DWKMTI5ODU4MTUwNi45OTY4OjE6MTA6MjA5LjcuMzUuMA

Change in Quantity Demanded ECON

Change in Quantity Demanded