I think we can do that, might include it in out next build.
Another thing I was considering - automatically categorizing tweets by topic and filtering them based on each person pre-sets. For example, I follow a bunch of VCs - and I want to see their comments about Bitcoin while ignoring comments about Secret.
Also - thinking about an ability to mute/ignore a given topic (e.g. Politics), keyword, or author (without unfollowing them). WDYT?