Oh god how desperate and longing and dreary you are. You know why some old friendships are lost. That is because you two have grown (up) apart and no longer have room to fit into each other lives. That is the cycle of life, friends/people (some) come and go like seasons. You two are not (or at least i hope your not) the same people you were back in high school or the same you were 5 yrs ago.
I give the people at whom i cared for (at the time) my two-3 contacts (over time). My email, and my phone number, which rarely changes. If i cannot find the time, nor the desire to email or call them in over 3 months, and I feel no real reason to do so with in that amount of time. My life has moved on--I have moved on. I am not sitting their gazing at my computer screen/Blackberry waiting for someone to call/ post some other pointless message-- i have things to do.
Family is a much easier thing to manage, and guess what. You dont need twitter or Facebook to do any of this.
Generally on weekends or just through out the week i will pop up by their houses after work/exercising or what ever and help around the house. Help the kids do home work, play some basketball. Or just pop in to say HI (in person) and give a hug and go on about my day. Hey, maybe then someone would call or text mid day or night, no problem. Maybe im just the weirdo in the sense that i feel no need to be attached to someone and their own life for such an amount of that.
Its really kind of a hard thing to ignore seeing as how its a topic, and a hot one at that. When people are constantly asking me WHY i don't have any of the sites above profiles filled out, it kind of annoys you after a while. One of the biggest things i have found with these people who are so involved in these sites is just how insecure and socially deprived they must really be. Its sad-- tragic in fact on how large such a community is. But if you look around you delusions and great depression generally only effect the majority of the population.