Ruby Pack/Unpack

Having a party in ZeroTurnaround new office in Tartu. There is a mat on the floor near the entrance door that says:

01010111011001010110110001100011011011110110110101100101

Using ruby, we can quickly figure out, what that actually means:

["01010111011001010110110001100011011011110110110101100101"].pack('B*') #==> Welcome

Ruby string pack unpack detailed usage.