From the 1980s, mainstream sensibilities were reasserted and serialization became less common as the number of comics magazines decreased and many comics began to be published directly as albums. Smaller publishers such as L'Association that published longer works in non-traditional formats by auteur-istic creators also became common. Since the 1990s, mergers resulted in fewer large publishers, while smaller publishers proliferated. Sales overall continued to grow despite the trend towards a shrinking print market.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): Serialization of comics became more popular when?
unanswerable