Anecdotal evidence: news source I read tend to switch from provider to provider every six months or so. Either they are offered a great deal by the new incumbe

Anecdotal evidence: news source I read tend to switch from provider to provider every six months or so. Either they are offered a great deal by the new incumbent or management gets fed up with poor revenue/poor targetting. I've seen it happen 3 or 4 times in the last few years?