Yes, sometimes FS may be misinterpreted, in cases where the context is not clear. To illustrate, one may believe it to mean that it is on sale rather than on sure, hence confusing. There are possibilities of misinterpretations in the conversations or wrong assumptions. Avoiding the misunderstanding of the message and making the kids clarify the message when in doubt can be taught and would enhance the way they relate with others on the internet. Know more about fs meaning