As a social media user and a marketer, if Facebook becomes a paid service, would you still use it?

Facebook has already started paid services for marketing activities.
You can reach the people by paying Facebook to promote your post or your post will be visible to limited followers.
The company is already trying different strategies to facilitate marketers thus they are making them premium by charging for it.
On other hand Facebook is now public limited that's why it's has to charge for it's services somehow to make their shareholders happy.
Also at this stage Facebook can't risk charging it's general users because there are many competitors like Google+, Pinterest, Instagram, Youtube which are improvising with time and becoming threat for Facebook.

It depends on the network, but I might be more comfortable paying actually as I'd have to worry less about what they sell to advertisers.

Facebook is already offering premium services specially for Internet Marketer, whether you have some business or some website or else products to market, you can use the Premium Ad Services that works as same like the concept of Google Adword (PPC) Pay Per Click Advertisement Campaign.
Anyhow, I believe that Facebook will never ever try to convert Social Network completely as a paid service or else if it happens, than I must say that "PEOPLE WILL HAVE ALWAYS MANY OTHER CHOICES/ OPTIONS" Have a Nice Day.
Syed Waqas Saghir Internet Marketing Expert, SEO Consultant, Social Media Evangelist.
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yes, It depends based on your target audience and where they hang out.

It's a publicly traded company.
Wouldn't make sense for them to do that.
You'd piss off a lot of people.

Hi George Durzi :) Yes, I would still Use FB as a Social Media User and a Marketer if it becomes a Paid Service.

Yes for the benefit of reliable information its also a source of advertisement depending on the kind of company and the good and services thats you deal with. If your number of customers who are on face book are correspondent why not I'll do anything to maintain them as they are beneficial to.my business

Well, there is other alternatives to use other than facebook for communication.

i think Facebook becomes essentials for every online marketer to use it or put it on his plan whatever if its free or paid i think everyone should used Facebook as a marketing tool

No, I would not. It will definitely harm Facebook and give other social media channels a chance to rise.