Twitter adds explanations to trends
Twitter seems to be adding an explanation to some trends, sourced from whatthetrend.com (apparently it did this last September, and I've only just noticed! Having said that, other people on Twitter haven't noticed either so maybe it is new ...). Here's an example for a search on John Terry today.
Seems a good innovation to me. Should help with some of the more mysterious trends that only carry on as people ask why is X trending.
This is one of those things that I think is new, but feel free to correct me ... (See addition above. Not new at all!)