I like how easy it was to use as well as create my own tokens for clients in other companies that are not using lumens yet or even in development but have already been approved through lumen's process! The team seems very responsive when needed too which makes me feel more comfortable about our relationship.
Nothing really at this time of writing so far. However, i'm still excited since they're doing great things like creating their decentralized exchange (dex). We do receive some marketing pushbacks from partners we've partnered up with regarding advertising fees due to being centralized however nothing significant thus far nor anything negative overall.