Bay Area HN readers may want to attend live a lecture by Barbara Liskov reprising her Turing Award lecture, The Power of Abstraction, on W4:15-5:30PM in Gates B01 on the Stanford Campus. This lecture is open to the public. The lecture will be live streamed and also archived for on-demand viewing. Female HN readers may want to attend a Stanford WICS reception before the talk. See http://ee380.stanford.edu for details.