The ability to use both Google Sheet data or Salesforce object field as well API's for additional reporting functionality - including CRM integrations with Pardot & Exact Target (integration requires developer). I dislike how difficult it can be sometimes log-in due user error which leads you back track several steps from where your last action was taken/edited within spreadsheet(s) /API calls etc.. This makes searching very tedious especially when there are potentially many changes at one time across multiple sheets during any given day of usage by team members working together simultaneously without clear knowledge if others have made updates since their previous visit. If this wasn't possible then perhaps other applications could support more than only 1 browser window open? As mentioned previously we work remotely using our own computers so not being able view what has been updated between visits would really hinder productivity!
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