When it comes to an ideal conduit for minor announcements, Google's found a home on its very own social network. And this time, it's telling the world about a small update to the people widget -- that bar currently occupying real estate on the right-hand side of gmail.com. Along with showing the pertinent contact information from an email chain's participants, the peep widge will now reveal the last three images sent to you by the displayed contacts. As one might expect, clicking on the pics will whisk you to its associated em