Several months ago Lingo added a $10 per month add-on feature to my plan that I have no interest in and did not request. I called to cancel and request a refund. The customer service rep said there was no record of me ordering the add-on and said he would give me credit for the three months I was billed. However, he must transfer me to the cancellation dept. because only they can remove the feature. The service rep from the cancellation dept. (Cate) was very rude and insisted that I must have added the feature myself because they would never... read full review »