My fingernails are growing faster than Bitcoin's price... the bigger concern is that Bitcoin is already near its practical transaction-per-second. Just a couple

My fingernails are growing faster than Bitcoin's price... the bigger concern is that Bitcoin is already near its practical transaction-per-second. Just a couple of weeks ago there were a few whole blocks' worth of unconfirmed transactions hanging out, and while that may have improved in the meantime it's just a harbinger of problems to come.