Earlier quoted context omitted.
> I can believe them [WhatsApp] when they say they don't keep data. If that's true, I'm in awe of their integrity. Skype on the other hand now has complete disregard for user privacy. Skype stores your voice mails and video messages forever[1]. This is something that they started doing 2-3 years ago and few people seem to be aware of it. It's amazing how low Skype fallen from its early days when it was considered a b…
I thought Skype only stores the last 30 days of data on their servers, while it will store every piece of data received on your local computer indefinitely (unless you delete it, of course).
Very old voice messages are also accessible even if "deleted".
Text chats do seem to disappear, but at this point I don't believe anything Skype says. I figure they keep the chats forever as well.