การสื่อสาร, พูดคุย, การพูดคุย, แอป, สังคม, เครือข่าย, อินเทอร์เน็ต, คน, ข้อมูล, การพูด, เทคโนโลยี
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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