I see this a LOT on Twitter. I am followed by other writers and bloggers constantly. Many of them are following thousands of people, and it makes me wonder about the relevancy of their tweet stream. How can you possibly get any consistent conversations going with such a glut of information coming at you? Try to watch who you follow if you use Twitter. Some people will even use the tactic of following you to get you to follow them. They then promptly unfollow you and hope you keep following them.
When you do this, you're only wasting your efforts. If you had to convince someone to agree to be bombarded with your message Telephone Number List under false pretenses, they're probably not going to buy anything from you. Again, you've just treated that person as Telephone Number List another number and not as a person. The area I have the most experience with this is Facebook ads. They make their ads seem nearly infallible, showing you how many thousands of people you will reach before you post the ad. If you're just starting your Facebook company page, this can be frustrating.
If you just want to send the ad to your friends and their friends, you may find that even at the five dollar level it isn't worth it. It won't reach very many people. In fact, I tried this early on and Facebook told me it would reach 3,800 of eleven people. That one made me laugh. Alternatively, you can choose keywords and demographics to market to. I selected an age range of 18-25 years old, with keywords like 'science fiction' and 'alternate universe' when promoting my e book. I got the number of views promised (almost 4,000 views) but no click through or engagement whatsoever.