"Liquid Modernity" is Bauman’s term for the present condition of the world as contrasted with the "solid" modernity that preceded it.
Individuals have to splice together an unending series of short-term projects and episodes that don’t add up to the kind of sequence to which concepts like "career" and "progress" could be meaningfully applied. Such fragmented lives require individuals to be flexible and adaptable — to be constantly ready and willing to change tactics at short notice, to abandon commitments and loyalties without regret and to pursue opportunities according to their current availability.
