Yo Banjo wrote nice article about current state of Ethereum.
Let's resteem to keep informed.
"Yesterday saw a big number of transactions due to the Bancor crowdfund. But next to that there’s still an overall growth of interactions with the “world computer” and although we’re told Ethereum can handle everything from IoT devices to decentralized Ubers we’re already seeing the limits."
https://medium.com/@yobanjo/ethereum-heading-to-its-limits-543bc56e64bb