There has just been a number of instances lately online where it has taken me upwards of 30 minutes to an hour to get a single confirmation.
Not to mention the services I use require at least 3 confirmations (exchanges) -- it can get annoying.
There has been a number of instances lately where I have deposit a check in my bank account and it has taken me upwards of 3 days before I could spend the money.
Not to mentioned that the services I use require at least 3 days of confirmations (exchange like Ameritrade) before I can use the money over there -- it can get annoying.