A 1990s example of self actualization may be surfing the Internet. Empirical research has confirmed the first three levels, but has not done so for the fourth and fifth levels of esteem and self actualization. Some have noted that Maslow's hierarchy follows the life cycle. A newborn baby's needs are almost entirely physiological. As the baby grows, it needs safety, then love.
Toddlers are eager for social interaction.
Teenagers are anxious about social needs, young adults are concerned with esteem and only more mature people transcend the first four levels to spend much time self actualizing.