Even if you do automated testing you should still do exploratory testing, it's not an either/or situation. Automated testing allows you to cover the bulk of you

Even if you do automated testing you should still do exploratory testing, it's not an either/or situation. Automated testing allows you to cover the bulk of your system functionality, exploratory testing allows you to pick up on the unexpected quirks that crop up. Automated testing frees up the time of testers to do exploratory testing as they don't have to run through all tests manually.