I find it curious a lot of friends are getting back to Skype, for personal use, across continents, and not CorporateSkype/OC. Is this a huge selection bias thi

I find it curious a lot of friends are getting back to Skype, for personal use, across continents, and not CorporateSkype/OC. Is this a huge selection bias thing? Don't know. Several have also recently deleted GMail.