old carpets that contained pfos goes into land fills where it seeps into groundwater. >>> facebook is taking a bold step into the news business. tomorrow, you'll be able to download a new app called facebook paper. it works like other news readers letting you browse through the latest news. the difference is it allows you to interact with your facebook friends. this is the first stand-alone app created by facebook. >> time to get a check on the weather with spencer christian, who is in for lee glasser. finally, we got rain. we could use more, though. >> a lot more. this is the most rain we have seen in one event since november, which is saying a lot. let's go to the live doppler. clear skies over the bay area at the moment. the storm has ended. trickles of moisture moving along the coastline, but it looks like it's all over for now and we have to look forward to the next rainfall event. here's a view from the south beach camera looking along the bay bridge. current temperature readings are in the upper 40s. oakland, los gatos, 43, one of the lower readings. freight at half moon bay. o