
1) Instant messaging client
Found on
https://www.crosswordclues.com/clue/hookt

==airG== airG is a private label mobile community. airG allows subscribers to instant message, blog, have picture profiles and chat in public and private messaging lounges. === History === airG was launched as Boost Hookt by US-based mobile operator Boost Mobile in conjunction with airG in August 2005. ...
Found on
http://en.wikipedia.org/wiki/Hookt
No exact match found.