ploum
Remember: every time travel/super AI/aliens theory should answer two simple questions: "Why making contact now? And why using that particular not obvious but not hidden way to do it?".
If you don't provide clear answers to those questions, work harder on your fiction.
Jonkman Microblog is a social network, courtesy of SOBAC Microcomputer Services. It runs on GNU social, version 1.2.0-beta5, available under the GNU Affero General Public License.
All Jonkman Microblog content and data are available under the Creative Commons Attribution 3.0 license.