Limited to eukaryotic model organisms, but user-friendly/easy-to-use/straight-forward
Example is a little less-than-ideal for naive/less-experienced users
Resulting visualizations are more heuristic than they are empirically-driving or foundational to any further measured analysis;
Data input appears somewhat free-form or vulnerable to information interpretation-/mapping-driven errors/misrepresentations in subsequent enrichment or tool output
Data/results/rendering export could be improved; last updates were posted in March 2013