Development of professional Telegram Bots. Telegram is a non-profit cloud-based instant messaging service. Telegram client apps exist for Android, iOS, BlackBerry 10, Windows Phone, Windows NT, macOS and Linux. Users can send messages and exchange photos, videos, stickers, audio and files of any type. References: t.me/photo2stickerbot t.me/donald_j_trumpbot t.me/inlinemapsbot