For posterity: one of the services appears to be https://spok.com Still would like to know what the other one is. - Source: Hacker News / 16 days ago
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This is an informative page about Spok. You can review and discuss the product here. The primary details have not been verified within the last quarter, and they might be outdated. If you think we are missing something, please use the means on this page to comment or suggest changes. All reviews and comments are highly encouranged and appreciated as they help everyone in the community to make an informed choice. Please always be kind and objective when evaluating a product and sharing your opinion.