Eventually, cooperation and well-meaning openness can cost a company. After a long time of allowing third party IM systems to integrate with its IM software, Yahoo is closing the door on third-party IM systems within its network, while at the same time, considering a Trillian-style clone.
Yahoo is mirroring a move by Microsoft to block unauthorized IM clients from using its .NET messenger network. Yahoo has announced that unauthorized clients will no longer have access after Sept. 24th.
The means for closing out the unauthorized users is a mandatory upgrade issued by the web company. Users must install the update before September 24th, or be termed out of the IM system. The company said that most users have already upgraded and that the older legacy versions were the ones being used by unauthorized users.
(more…)