. >> ifill: and spencer michels profiles david hockney, the prolific artist who continues to innovate using technology to advance his work. >> hockney, at 76, shows no signs of slowing down, and in fact, he admits he is working as he can on a wide variety of projects. >> ifill: those are just some of the stories we're covering on tonight's "pbs newshour." >> major funding for the pbs newshour has been provided by: >> and by the alfred p. sloan foundation. supporting science, technology, and improved economic performance and financial literacy in the 21st century. >> and with the ongoing support of these institutions and foundations. and... >> this program was made possible by the corporation for public broadcasting. and by contributions to your pbs station from viewers like you. thank you. >> woodruff: this was touted as the biggest day of the year for online shopping, as hundreds of retailers tried to lure millions of holiday shoppers on cyber monday. early numbers suggested a sharp increase over last year, after a four-day holiday weekend that turned out to be disappointing. in a fe