While my initial thoughts on Periscope were positive, with plenty of interaction during my first broadcast. The major downside is that there is a lot of noise in the feed. So much noise. Finding quality content, and more importantly, relevant broadcasts (outside of who you follow), is near impossible!
To the immediate right, you can see the broadcast list of what is streaming (in the global stream). There is no order to it, and the content and subject is random. Periscope could do well to have some filtering in place here, so you can search video by topic, geography or interest.
To make the platform more sticky to the user, you need to give them some control over the content they can access. Of course, you can personalise your feed by who you follow, which brings me to my next point, have Periscope got the right infrastructure for ensuring you subscribe to relevant broadcasts?
To the left, you can see the Periscope is matching me to who I follow on Twitter. Sure, I follow them on Twitter, but that doesn't necessarily mean I want to follow them on Periscope. More filtering here could allow users to better curate their content, and personalise their feed. Sure, they can search for this type on content manually, but as a new platform, Periscope needs to do more to help the user have a seamless experience. Better filtering leads to greater discovery, and a more engaged user.
Lets not get too bogged down in filtering though, Periscope is still the new kid on the block, and is still developing. But adding tags in the future will ensure that video broadcasts reach the right audience, and once you can target the right users, the broadcast becomes a much more powerful product.