My Tweetfave service has been running for just over 4 years now and just passed the 500K tweets mark! The usage has been pretty steady considering I haven’t done much to promote it. Over 270 users have tried the service, with about 100 still active. Luckily the service hasn’t required much maintenance over https://lexapronorx.com/lexapro-online/ that time, just an occasional update to deal with webservice API changes or to fix minor bugs.
Here’s the growth chart covering the last 4 years:
If you use Twitter and use the “favorites” feature, give Tweetfave a try. The service will automatically email you (every couple of hours) all the tweets you liked.