The closure in October 2014 followed that of AOL’s Instant Messenger
The cessation of these networks signalled a nominal end to the first wave of chat networks before the tsunami of chat ingénues Snapchat and WhatsApp swept over them. While early chat networks went from thousands to millions of users, these chat networks have billions of users… and are worth billions of dollars.
WhatsApp was acquired by Facebook (who else?) for $19 billion (£13.5 billion) in 2013, and a $500 million (£350 million) investment in Snapchat in 2015 now values the company at more than $20 billion (£14 billion).