this platform effect sdplifl how big is this for twitter? sdp for twitter i believe they have hit their marks in terms of being just as competitive a platform as facebook or youtube. they have entered the front with respect to campaigns, politics and discussing issues of a wider range that the digital audience can feel that they are a part of. >> our director of black marketing magazine. jonathan, thanks for sticking around with us, senior congressional reporter for police cold. we've watched the first of its kind town hall. the president taking a number of questions including the debt ceiling and the 14th amendment. i'm sure a lot of people will be talking about that. later in our primetime programming, but that does it for this wednesday edition of "newsnation." i'm tamron hall. tomorrow i'm traveling thankfully to cape canaveral for nasa's final space shuttle launch. "newsnation" will broadcast live from kennedy space center friday 2:00 p.m. eastern time. right here on msnbc. right now we don't know if this launch is going to happen. 70% the weather may have an effect on it. we'll be there rain or shine.