20s academic adult asian attentively blackboard business businessman businesswoman camera career casual caucasian chalkboard colleagues college communication complicated composite computer concentrated concentrating conference consultant cool corporate coworkers creative design designer desk difficult digital digitally education educational electronic equation executives female focused friends front function generated girl graphic group happy higher hip information job knowledge laptop large learn learning looking male man math mathematics meeting mixedrace monitor notebook office partners partnership pc people physics portrait presentation profession professional research school seminar serious sitting smiling staff standing student students studio study studying style table tablet team teamwork technology teenager theory thoughtful together touchscreen typing university using view whiteboard wireless woman working workplace young