Clear user id in session if its not in db
Kept clicking on this and get a 404.
Remove the dummy username
add topic of yourself on each of your posts
added regex to extract hashtags (aka topics)

Even though there's something like twitter-text.js trying this out.
refered to this,
http://erictarn.com/post/1060722347/the-best-twitter-hashtag-regular-expression
also extract hashtags (topics) with twitter-text.js
added description field for video broadcast
added drop tables