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Twitter: No more outbound texts for Canada

Skyrocketing costs mean that Twitter users in Canada can no longer receive text-message updates, but they can still use the number to send "tweets."

Oh, no! They can't get Twitter SMS updates anymore! Second City Television

This can't be good. Just a few months after restricting its U.K.-based text-messaging number due to cost issues, Twitter has done the same for Canada.

The microblogging service has cut outbound SMS messages for the folks up north, citing "unexpected changes in our billing." Costs had been doubling for a few months.

Basically, this means Canadian Twitter users will be able to send numbers to its short code, 21212, but not receive them that way. They can instead use the Twitter mobile site or one of many third-party mobile apps to see what their friends are "tweeting," but that requires a mobile data plan. Text messages do not.

"There is a realistic, scalable SMS solution for Canada (and the rest of the world)," a post on Twitter's blog read. "We're working on that and will post more details on the Twitter blog as we make progress."

Twitter, which allegedly rejected a buyout offer from Facebook, has raised a significant amount of venture funding but has yet to produce a business plan.