Every tool has its purpose and shall be used accordingly. LinkedIn - sold you to recruiters. OK, I got 1'000+ connections, most with the people I never met [80

Every tool has its purpose and shall be used accordingly. LinkedIn - sold you to recruiters. OK, I got 1'000+ connections, most with the people I never met [80%?], but who heard about me, or we share connections, or work in similar fields [finance, multinational company, senior management, etc]. I mainly use LI as an extended address book and public CV. So any recruiter, who calls me, knows pretty much all about my skills / experience / etc. Got bunch of interviews through LI. Yep, quite often see some spammy stupid invitations to connect. So what? Just don't accept those. I login 2-3 times per month. Facebook - FB is a timekiller, so I log in 2-3 times per month to kill some time, exchange with people I know. Twitter - info flood, cutting access to API, sold you to advertisers, etc, etc. Sorry, never bothered to learn how to use it. Never made one tweet. Have no time for Twitter, since I am already using FB 2-3 times per month. To sum it all up - just understand how the tool can be useful for your needs and use accordingly. No overlap, don't use the tool or build your own.