Bad customer data will cost your business time and money. Not wine...It gets worse as it gets older, not better." — gregg industry leads thaler, director of business development at marketo customer data is constantly changing. Critical data fields change every year. These industry leads include: email addresses phone numbers postal addresses job titles job functions organization/company assess website with inaccurate data, your reps will waste time calling dead numbers and not emailing anyone. The time and effort needed to do this could be spent selling to existing and interested prospects! Htriasqy customer dataif this industry leads information is not correct, you will be wasting your time not calling anyone! Bad data doesn't just impact sales. When mailing lists aren't properly managed, marketing emails hit dead ends and bounce around.