Problems?

=Blocked at many schools= = = =When you search using hashtags, you may not have the safety net of propriety that you're used to, because you will see posts from more than just those you follow.= = = =Occasionally, you might be followed by a spammer/spitter. They're hoping you will automatically follow them and be exposed to whatever they're selling. It's easy to avoid them. Don't follow them back; you can also block them from following you.=

=What's the best way to share everything that you learn?=