* Use XO's mechanism to have update item in control panel(pretty common choice)
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** we will have specific option - update only activities
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* Follow [[Unified Objects]] paradigm, one of implementation of this idea is [[Activities/Library]], so give user more freedom in upgrading procedure(i.e. w/o ceilings) - incorporate updating procedure into browsing tool(like Journal), so users get one unified method to browse and update(sync) theirs objects