I'm a teacher and over the past few years, I've been using different Simple Tab Groups for different courses, lesson plans, readings, topics, etc. Which has been great. I've currently accumulated 31 tab groups. A couple of times in the past, tab groups have disappeared or all bunched into one group and I've had to rescue them from History or STG bookmarks and sort them out. Which made me fear that Simple Tab Groups isn't terribly secure. Are Simple Tab Groups pretty safe, or risky to maintain in the long run? Should I switch to a different Tab organizing / Tab saving program or add-on or app? If so, is there a way to migrate the many many tabs I've saved? Thank you, whoever's out there!