По запросу: "is becoming increasingly popular for its simple user interface" найдено 144 иконки.

plus-user
touch--interaction
user-plus
album_fill
home-chimney-user
arrows-v
interface / 11 - interface, align items, left, align icon
interface / 5 - interface, off, on, power, switch, toggle, turn icon
interface / 2 - interface, checkbox, checkmark, diff, indeterminate, removed, edit icon
user-times
user
alt-user
user--favorite
]>
i
user-alt
user-org-chart-solid
user-org-chart
user-minus